The way cum, vaginal fluid, and other liquids of fornication get waded up in ths sheets making little muffin like wrinkles...
by BIG JAMES November 27, 2004
by Barri the Clown December 23, 2008
"Dude..I saw this bitch walking down the street and wanted to give her a Muffin Fuck Basket as a reward for being hot"
by Booface=] November 18, 2007
When someone puts a muffin into the orifice of another person then proceeds to fuck it. This is mostly a guy on girl type situation, however I suppose we won't discriminate.
by B-rownie March 15, 2009
The definition of someone who is a "Fucking Muffin" refers to someone so intolerably stupid that their brain resembles that of a muffin.
You Fucking Muffin
by Crabguysmellofcrab June 30, 2019