To place half a stick of butter in a girl's vagina, wait till it gets all melty, then eat her out and suck out all the butter. The the muffin butterer gives the lucky lady a rimjob and spits the butter into her anus, which is used as lubricant for buttery butt sex.
He decided to butter her muffin in home ec. because they ran out of flour and couldn't make cookies.
by SPEDcial Forces May 20, 2008
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To stuff her girl's vagina with half a stick of butter. Then let the body heat melt melt for 3 and half minutes. After this begin to eat her out and suck out the melted butter.

When your mouth is filled with butter (and maby cum...or blood if it's her period), oper her bum up a bit with your fingers and begin to give the lucky lady a rimjob, and slowely let the melted butter in your mouth drip down into her hole of darkness. This will provide proper lubrication for the next step, which is to stick your penis into her ass...
"My sister tried baking cookies with this guy, but he forgot to bring every thing aside from the butter, so he buttered her muffin, and then when I gave him a blowjob afterwards it tasted like butter and farts."

"In home ec. ...my friend... let the teacher butter her muffin so I...I mean my friend... wouldn't fail, but I'm worried because the class thinks my friend has a wierd rash on my- err...her... vagina, but it was just an alergic reaction to the butter." ~Me talking about my friend, who is so totally not me.
by SPEDcial Forces May 20, 2008
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a pussy with cum in it
Is your muffin buttered ? would you like me to assign someone to butter your muffin ? - buttered muffin
by Kode-Nik April 15, 2006
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nick was having sex with katie and he totally buttered her muffin. buttered muffins
by mista pimp December 18, 2009
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After almost reaching orgasm from doggy style, proceed to ejaculate on your partners derriere and massage the fun fluid in--buttering the muffin
Afetr seeing her just once, all I could think about was giving her a buttered muffin
by Chadwick818 May 20, 2011
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A girl who has had many partners. (Primarily English)
I went out with this girl last Friday, but my friend warned me she was a real buttered muffin, and I decided to quit it.
by Muffin Eater April 17, 2009
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The act of cumming into someone’s nose until it leaked from their eyes only to proceed to ride them like a pony covering them in your chantilly
Last night jarold gave me a buttered muffin
by Pizzaisgreat123 June 9, 2018
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