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!"
by juxtapose519 May 30, 2010
Get the Fink mug.
Someone who ditches their friends for a less noble cause.
He is known to fink on us for his girlfriend.
by Kwylee July 7, 2005
Get the fink mug.
Verb. A sound that resembles a ting or crack.
I just tipped over my glass and went it broke it went fink
by Spitxbaby May 27, 2018
Get the FINK mug.
a very good person however get's a bad rep
Fink is a cool guy but he gets a bad rep.
by Finkiepoo56 March 14, 2019
Get the Fink mug.
Putting peanut butter or any other kind of food that can stay on your dick and or balls and letting a animal lick it off, most likely a dog or cat.
Dude I was so horny last night I did The Fink.
by Finkelberg May 3, 2008
Get the The Fink mug.
When you get your dick sucked by a fat ugly rabbit with curly hair, also known as finker.
Big Sushi: "Yo man, that rabbit had me finked as hell"

Ian: "Wow"
by Ian Meindl September 27, 2018
Get the Finked mug.