fink 

(1)someone who tells on a person for no reason at all.
(2) A slang term used in the 1960's of some one who is very unpleasent
(3) A company spy

That fink Joni justed finked on me to the boss! I'm gonig to get payback on that fink!

fink by BruinKiller3469 March 26, 2009

fink 

1) A bastard, in the figurative sense. Good word to know if you're in a situation in which it wouldn't be smart to actually say "bastard."

2) A treacherous person.

"Your brother's been back-biting me again. One of these days, I'll deck that little fink!"

fink by Qit January 13, 2004

fink 

noun
1. a strikebreaker
2. an informer
verb
1. (with "out") quit; give up; let down
2. (with "on") inform against

"You're such a fink-- I can't believe you finked out by finking on me!"

fink by nameless schmuck July 9, 2003

Fink 

To snitch on someone or a group of people.

"He's probably in the headmaster's office right now, finking on us!"

Fink by pyro1337 July 7, 2007

Fink 

1. An informant or snitch

2. Something old people call you when you offend their delicate sensibilities

Youthful Individual: "The Baby Boomer generation ruined subsequent generations with their uneducated and apathetic view towards child rearing".

Venerable Old Man: "You fink! I'll beat you with my dialysis machine if I ever find a way out of this bed!"

Fink by juxtapose519 May 30, 2010

fink 

Someone who ditches their friends for a less noble cause.

He is known to fink on us for his girlfriend.

fink by Kwylee July 22, 2005

FINK 

Verb. A sound that resembles a ting or crack.

I just tipped over my glass and went it broke it went fink

FINK by Spitxbaby June 9, 2018