The act of sticking your penis in the opening of the bottom of a popcorn bucket and surprising your date. This results in a very messy and sticky handjob.
Last night, Jake gave me a butterfinger during Titanic!
by Salt Lick October 26, 2010
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When your dog lays a fat dump of shit and your roomate's dog eats it up like it's a king sized butterfinger.
Dude! Heidi just pulled The Butterfinger!
by Ozzydizzle April 30, 2006
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When you slide a finger into someones butt, especially when they're not looking.
2 Main reasons: Makes a good caramel color on the inside and a brown coating on the outside AND the finger slides like its coated in butter
Todd was bending over to pick up a quarter so i had to slip him the butter finger.
by TDub May 5, 2005
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The resultant covered penis of heavily lubricated anal sex, looking much like a finger coated in butter.
After I was done with her I had a huge butterfinger, so I smacked her on the forehead with it a few times to get some of the shit off.
by smoog July 17, 2006
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A finger going up the anus of a male being fellated (gay or straight).
Ed loved it when Sally gave him butterfinger during fellatio.
by BlackMamba23 August 1, 2008
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when you take butter and put it on your fingers and shove them up a girls vagina.
i butterfingered that whore , she was buttered
by PolishWhore August 5, 2010
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To lube your finger up with butter and then insert into the rectum of another individual.
I'd like to butterfinger her!!!!!
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