noun, verb, adjective: racial slur directed towards asian people.
No technical definition applies.
Pham: "hai mang dit yu finish your chem hw, I need yu notes ^_^ ??!"
White kid: "Buk-Fin!!!"
Pham: *Stares blankly* *Walks away*

Old gook cuts you off, present the finger and scream Dol Mah, BUK-FIN!!! out the window
by Lollipop man Daz May 5, 2009
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To Drink too much too early and pass out by 8PM. Usually the pass out is so hard that any attempt to wake the person Finned Out is impossible.
Dude, I did 15 shots of Tenley 100 by 5 and was Finned Out by 6.
by sig ep bitches. June 2, 2009
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A turd that's so long it sticks out higher than the toilet water level. Reference: A porpoise at Sea World doing a backward fin walk in the show.
I had not shit in a week and finally produced a "fin walker" that took 4 flushes to go down.
by Les Izmore June 14, 2017
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The unmoisturised out layer of a ladies vajayjay
After vacating the river rapids at hurricane harbour Sanjay adjusts his speedos, turns to his wife Geeta and gasped....! GEETA.... I CAN SEE UR WAFFLE FIN
by Himmy homez January 25, 2012
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A win, fail situation. Someone has a win out of someone else failing.
Ahh, man, that a was a whale fin.
by Suzzer13 August 10, 2010
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To leave someone, such as a waitperson, a $100 bill as tip for providing you with outstanding service. Usually given to sexy young cocktail waitresses by up and coming gentlemen to show off their wealth and stature.
Did you get the usual tip from the Sinatra table? Yeah, Frank duked a fin.
by Gaviidae April 1, 2008
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