When a male prematurely ejaculates on a females genitals before he can make it into her vagina.
She was so hot, and had me so horny, I went to put it in, and squirt, I didn't even make it in, all I could do was frost the muffin!
by ckeliib June 4, 2009
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A Frosted Muffin: When a man ejaculates into either a woman's vagina and/or another man's anus and then proceeds to lick and/or suck his semen own out of the crevasse into which he originally placed it.
Nothing turned Carissa on more than reciving frosted muffins from Shane.

Shane loved frosting Carissa's muffin.
by The Muffin Man April 30, 2004
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