(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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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
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An illiterate pronunciation of the word "Think". Usually, someone of low socio economic background tend to use the letter "F" in all words spelt the letters "TH". There are also other words which are commonly used by such people. (Bruva)= Brother,(Wiv)= With. The list goes on.
Wat are ya finkin bout? Me bruva finks you feeved his holden an vat. Viss is heaps good ahy.
by finker September 30, 2006
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The tapered end of a shit caused by the asshole closing.
"That turd was 18 inches long from heel to fink!"
by TMOUS May 10, 2006
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