Someone who is impulsively stupid almost always
Andy: "Did you hear Donnie got another felony?"

Dan: "Another? Jeez, he's such a fuck-muffin."
by Troyiskewl September 10, 2018
Get the Fuck-muffin mug.
That guy is being such a fuck muffin with all those hatchets in Call of duty
by mtdew0000 December 30, 2011
Get the Fuck Muffin mug.
A muffin fucker or some one who fucks any dutch made pastry good.
Hey muffin fucker your a fuck muffin, yea i showd you, you muffin fetish freak!
by colt November 18, 2004
Get the fuck muffin mug.
The way cum, vaginal fluid, and other liquids of fornication get waded up in ths sheets making little muffin like wrinkles...
"Dude, you can't sleep in my bed, there are fuck muffins all over it!"
by BIG JAMES November 27, 2004
Get the Fuck Muffin mug.
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
Get the Fucking Muffin mug.