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
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1. The chosen one who was born to kill/refute newbs (newb), campers, and other people who use cheaper or dishonorable tactics to acheive a victory.

2. Anyone who has characteristics resembling "The Fink."
"I will destroy you and your evil plan, for I am The Fink"
by Stephen Olsen December 12, 2005
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(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!
by BruinKiller3469 March 26, 2009
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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!"
by Qit January 13, 2004
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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!"
by nameless schmuck July 9, 2003
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To snitch on someone or a group of people.
"He's probably in the headmaster's office right now, finking on us!"
by pyro1337 June 11, 2007
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