Fink
noun
A person who is not loyal or trustworthy.
We don't trust him anymore because he showed himself a fink.

Often appears as...
- be a fink
- call someone a fink
Usage tips
Informal, Disapproving
Colloquial
noun
A person who tells on someone to authorities.
He finked on his colleagues to the boss.

Often appears as...
- fink on someone
- don't be a fink
Usage tips
Informal, Disapproving
Idiomatic
verb
To tell on someone to authorities.
He threatened to fink if he was not included in the plan.

Often appears as...
- fink on someone
- threaten to fink
Usage tips
Informal, Disapproving
Idiomatic
noun
A person who is not loyal or trustworthy.
We don't trust him anymore because he showed himself a fink.

Often appears as...
- be a fink
- call someone a fink
Usage tips
Informal, Disapproving
Colloquial
noun
A person who tells on someone to authorities.
He finked on his colleagues to the boss.

Often appears as...
- fink on someone
- don't be a fink
Usage tips
Informal, Disapproving
Idiomatic
verb
To tell on someone to authorities.
He threatened to fink if he was not included in the plan.

Often appears as...
- fink on someone
- threaten to fink
Usage tips
Informal, Disapproving
Idiomatic
Definition 1 of 3

Negative Connotation
The term 'fink' carries a strong negative judgment and suggests betrayal.

He was labeled a fink after the team project incident.
Colloquial Use
'Fink' is informal and more common in spoken language rather than formal writing.

In casual conversation, you might say 'Don't be a fink' to a friend.
Cultural Context
Some people may not be familiar with 'fink', so be mindful of your audience.

My international friends didn't understand when I called him a fink.
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