Some everyday English expressions and idioms which I heard in my everyday working life and noted them down.

Expression Definition
A liability waiver is a legal document that a person who participates in an activity may sign to acknowledge the risks involved in their participation.
A pigeon-hole messagebox (commonly referred to as a pigeon-hole or pidge, a cubbyhole (often shortened to 'cubby') or simply as a mailbox
A relic of us
Affinity
all over the shop everywhere; in a disorganised or confused state.
Allude
alluding
Ambitious having a strong wish to be successful, powerful, or rich
Analysis paralysis
And so forth/And so on You use and so on or and so forth at the end of a list to indicate that there are other items that you could also mention.
And to my understanding
Are you comfortable with that?
Arrogant/Haughty
Aspirational
Back and forth moving first in one direction and then in the opposite one
Backoff
Bail
Ball and court notion “The Ball is in your court” means that it's someone else's turn to make a move. Example of use: “It's not Daniel's fault the deal isn't finished, he made the last offer. The ball is in Harry's court now.
Be on right track
Better safe than sorry
Boil it down To reduce a problem to its simple essentials
Bouncing around
Bow out Withdraw or retire from an activity or role
Burden
by the book Strictly according to the rules
call-out an instance of being summoned to deal with an emergency or do repairs
Catch you later
Caveat a warning to consider something before taking any more action, or a statement that limits a more general statement
chandelier چلچراغ لوستر
Chase up
chime in
Clumsy
Cohort a group of people with a shared characteristic
Cohort?
Commit to that decision
Company mothership
Compromised solution
Consensus
Consolidation the process of becoming or being made stronger and more certain
Consolidation
Contingent a group of people representing an organization or country, or a part of a military force
Conventional booth
Could you refresh my memory?
Crème de la crème
Delved in
Dig up the details To discover secret or forgotten facts by searching very carefully
Doubling up to share something, especially a room, with someone else / to receive or use two of something
Drill down into
Enablement
Entitlement
Executor on will
Finger cross
Fireside The area round a fireplace (used especially with reference to a person's home or family life)
Flesh out to add more details or information to something
Fluk?
For now it's all there is
Friction
Friction
Frustrate to make someone feel annoyed or less confident because they cannot achieve what they wan
Get my head around...
Get out of my head
Ginger lumberjack
Give it a go
Give it a go
Give us grief
Grab some water
Guesstimation It is defined as an estimate made without using adequate or complete information, or, more strongly, as an estimate arrived at by guesswork or conjecture
Gut feel
Hang around with sb to spend time with someone
Hang on!
head off
Hodgepodge
Hold your horses used to tell someone to stop and consider carefully their decision or opinion about something
Holistically
Hurdle
Hydrate
I can relate to the pain
I don’t think so
I got push back on that
I hear what you are saying
I leave my pistol at home
I missed the boat To fail to take advantage of an opportunity
I second that The slang meaning is 'I agree' or 'I support that'.
I second that
I sense the mockery in your voice
I was starting to flag after the ninth mile.
I would argue that ...
Idempodent
If that’s a true statement
In tandem
Indulge
Interject to say something while another person is speaking
Intermittent
Is that clear as mud? very difficult to understand
is there a problem between the chair and the keyboard
It certainly is!
It's not the end of the world
I’m tempted to
Jokes aside
Juggle
Jumper A knitted garment typically with long sleeves, worn over the upper body.
Just in case To protect against something bad that could happen: I'll take my umbrella too, just in case.
Keen
Keep it in line
Keep you posted
kill string by name. kill string by nature
Let's assume yes
Level up
Lift off
loan shark a moneylender who charges extremely high rates of interest, typically under illegal conditions
Long story short used when you do not tell all the details
loose end a detail that is not yet settled or explained.
Lost track
lurk be or remain hidden so as to wait in ambush for someone or something
Maybe I'm thinking too far ahead
mid-market The middle market, or mid-market, is a reference to the size of a company usually in terms of its revenue and/or asset base. There is no universally accepted revenue range that defines middle market companies. Some financial professionals use a range of $5 million to $500 million in revenue, while others use $100 million to $1 billion.
mishmash
Move on to pasatures new
Muggy
Mumbo bumbo jargon
Muscle car
museum curator
My Internet cut off for a second
N.B. notabene (formal archaic) nota bene (archaic literary) please note
Niche technology
No news good news
Nudge
One thing to bear in mind
Oops!
Overkill
Party hasn't started to him
Per se by or in itself or themselves; intrinsically
Phase out
Piggyback
Pinpoint Find or identify with great accuracy or precision
Pinpoint To find out or say the exact position in space or time of something
Plank?
Play both sides of the fence
Please hold off
Pods are almost entirely self-contained spaces that give the solitary worker a private area to concentrate, away from the office's distractions and noises
Popcorn Where participants speak out-loud and Round Robin - where participants work in silence and pass their ideas to the next person in turn
Probate
Procure
Pulling teeth from the side
Put into the laundry
Put that action on me
Putting the cart before the horse to do things in the wrong order
Rabbit hole Used to refer to a bizarre, confusing, or nonsensical situation or environment
reach out if needed
Recall
Reckon to think or believe
Rehearsal a practice or trial performance of a play or other work for later public performance.
Relish
Reluctant Unwilling and hesitant; disinclined.
Remediate
Repeat it in my own words
Retaliation
Riot
Rough and tumble
Same deal
SB small business, 0~200 employees
Scrab the bottom of the barrel
Scramble to move or climb quickly but with difficulty, often using your hands to help you
Seem iffy not certain or decided
Self-esteem عزت نفس
Shoutouts and props
Sign off The conclusion of a letter, broadcast, etc.
Sit this one out to not be involved in something
Slice and dice
Slick smooth and glossy.
So says the great professor of all there is to know
Sore point
Sorry for the mouth full
Sorry! My bad!
Sorry/Excuse for the interruption
Sorry/Excuse to interrupt
Sort out
Sounds like a plan
Sounds reasonable
Spin up
Spin-off to produce something additional, often something not originally planned
spit out
Stambling in the dark?
Staring blankly In a way that shows no understanding, interest, or emotion
Step stone
Succinct said in a clear and short way; expressing what needs to be said without unnecessary words
Suppress (səˈpres)
sweet deal A beneficial business arrangement. The benefits package that the company offered proved to be a really sweet deal.
that makes so much sense in hindsight
That was a close one Used when something bad almost happened, but you managed to avoid it
That's a (small) win
That's a plus
The conversation was flagging.
The Kookaburra Room is our fully furnished Art Therapy and Counselling Room
The next bit
There goes that theory
There is a catch here It means there is a complication
There's no harm to do ...
There's no way around that There's nothing we can do about it
Thinking out loud to automatically say what you are thinking
This body of work
Time's up
to become tired,weaker, or less effective
tomato/tomato saying
Touch base Briefly make or renew contact with someone
Under the hood
uplift
Uplift -> brown paper bag talk
Uptake the action of taking up or making use of something that is available
Waffle
We are on the back foot To be on the back foot means to be put in a defensive position, to be in retreat, to be knocked off balance. Primarily used in British English, on the back foot is a phrase that is most probably derived from the sport of cricket.
We need to address that
We're looking promising
Wrap it up
Yawn to open the mouth wide and take a lot of air into the lungs and slowly send it out, usually when tired or bore
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