When a male looking to spice up his sexual experience grabs a cold stick of butter and shoves his finger through the center of the stick, then proceeds to finger his woman until the butter melts from friction and sexual heat, granting him a dairy-based lube upon which he uses to dick his woman down.
by BennyBooty October 5, 2017
 Get the Butterfingermug.
Get the Butterfingermug. 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.
by Salt Lick October 26, 2010
 Get the butterfingermug.
Get the butterfingermug. When your dog lays a fat dump of shit and your roomate's dog eats it up like it's a king sized butterfinger.
by Ozzydizzle May 10, 2006
 Get the The Butterfingermug.
Get the The Butterfingermug. 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
GET IT?
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
GET IT?
by TDub May 5, 2005
 Get the butterfingermug.
Get the butterfingermug. 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 September 6, 2008
 Get the butterfingermug.
Get the butterfingermug. by BlackMamba23 September 26, 2008
 Get the butterfingermug.
Get the butterfingermug. by PolishWhore August 5, 2010
 Get the Butterfingermug.
Get the Butterfingermug.