When you blast out a dry turd.
I made a whole batch of butt muffins last night.
by Scroto Hoebaggins November 20, 2004
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A large mound of fat where the upper butt and lower back meet on a fat chick, often protruding, frequently causes wardrobe malfunctions and creates extra difficulty in finding any clothing that looks good on the butt muffin wearer.

Synonyms: Ghetto Bootie, Table Top Ass, Shelf Ass, and Badonkadonk
She's so fat she not only has a muffin top on the sides, she's even got a butt muffin.

Baby, you can rest your drink on my butt muffin if you'd like.

My jeans never fall down because my butt muffin holds them up.
by 21stcenturydomesticgoddess January 12, 2011
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a person that smells, looks, or acts generally like butt.
"hey lady, ur ass is getting fat! haha just kidding"
"ew ur such a butt muffin"
by mylipslikesugar June 10, 2009
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Its when a person takes a banana out of it's peel and mashes it on his nuts before proceeding to use the banana peel as a condom for anal sex.
Jeff likes to do the Banana Butt Muffin with his partners Steve and Sharon.
by thetrailerparkgirlz April 26, 2019
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When one attatches a bungie cord to his penis and jumps off a bridge while eating a blueberry muffin out of a gay jamican midjet's ass.
Josh- Hey man, how ya holding up?
Andy- Not bad dude, still recovering from last weeks bohemian butt muffin
Josh- Yeah brosive, that was pretty fucking tight! You still got some crumbs up your nose?
Andy- Of course you fucking idiot, it feels like fucking nose cum!
by ARBurgess January 14, 2013
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To stick a muffin in a persons anal cavity, then penetrate the cavity repeatedly followed by eating the muffin.
Last night i gave Veronica a Tennessee Butt Muffin. She LOVED it!
by Phyato Productions April 21, 2015
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During sexual activity, this is when one person shits in a paper muffin cup and someone else cums on it. They both eat the delicious baked good together. Sometimes, if it is the right time of the month, the woman may add some of her menstrual blood to make a pinkish frosting, mixed with the man's ejaculatory juices. It is also likely that the fresh poop will be hard to eat, so it is common for the muffin to be cooled in the refrigerator so it can harden a little. No one has ever actually tried to bake this concoction before, and it is not suggested to do so.
Man: I am hungry, would you like to bake some brownies, honey?
Woman: How about some cupcakes instead?
Man: Only if they're Cupcake Butt Muffins!
by Rod Weidin April 20, 2008
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