one's lips are sealed
Someone will keep a secret and not reveal it
English · United States 868
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Where will you be? Anywhere UK & IrelandUnited StatesOnline slangBusiness jargon
Expressions you’ll hear in the US — distinctly American usage first, then widespread staples.
one's name is mud
Someone's reputation is ruined or severely damaged.
one's ship comes in
to experience good fortune or success
one's socks off
to impress or amaze someone very much
one's word is law
Recognized English idiom; full definition pending editorial review.
one-hit wonder
Someone who achieves success once, but not repeatedly.
one-horse town
A small, usually rural town with limited resources or activities.
one-man band
A person who performs multiple tasks or roles alone
one-night stand
A brief, casual romantic or sexual encounter
one-track mind
A person who thinks only about one thing
one-trick pony
Someone or something with only one skill or talent
one-way ticket to Palookaville
A path or decision that leads to failure or obscurity
only fools and horses work
Only foolish people work hard
only game in town
The only available or attractive option
only time will tell
Recognized English idiom; full definition pending editorial review.
onward and upward
Recognized English idiom; full definition pending editorial review.
onwards and upwards
Improving or becoming more successful
open a can of whoop ass
to thoroughly defeat or punish someone
open and shut
Completely settled or straightforward
open book
Someone whose thoughts or feelings are easily understood
open confession is good for the soul
Admitting one's mistakes or wrongdoings brings emotional relief
open doors
Create new opportunities or possibilities
open field
A situation with no obstacles or limitations
open fire
to start shooting or attacking
open invitation
An offer or opportunity that is available to anyone
open one's legs
to be receptive or vulnerable
open one's mind
Recognized English idiom; full definition pending editorial review.
open one's mouth
to speak or say something
open Pandora's box
To unleash a multitude of problems or evils
open season
A period when someone or something is vulnerable to criticism or attack
open someone's eyes
To make someone aware of a reality or fact they were not aware of
open the batting
To start or initiate something
open the door
create an opportunity
open the floodgates
To unleash or trigger a large amount of something
open the kimono
Recognized English idiom; full definition pending editorial review.
open the schools
to start the school year
open wide
to open one's mouth very wide
open-door policy
A management approach that encourages open communication and transparency
opening of an envelope
Recognized English idiom; full definition pending editorial review.
opinions are like assholes
Recognized English idiom; full definition pending editorial review.
opportunity does not knock until you build a door
You must take action to create your own chances
opportunity never knocks twice at any man's door
A chance will not repeat itself
opposite number
A person with a similar role or position in a different organization
or else
unless something is done
or so on
used to indicate a continuation of a list or series
or something
used to indicate a vague or uncertain alternative
or what
or something like that
or words to that effect
Means something like that was said
orange wine
a type of white wine with orange hue due to skin contact
oranges with oranges
comparing similar things
oreo cookie
A person with a mix of two different cultural backgrounds
Orpheus and Eurydice
A romantic relationship where one partner is lost due to the other's mistake
ostrich policy
Avoiding problems by ignoring them
other end of the ball
completely wrong or opposite
other fish in the sea
There are many other suitable alternatives available.
other half
A person's spouse or romantic partner
other head
Recognized English idiom; full definition pending editorial review.
other man
A man who is having an affair with another's spouse
other side
an opposing or alternative point of view
other than
Recognized English idiom; full definition pending editorial review.