A semen-crusted vagina the morning after sex and no shower.
I went down on my girl this morning but forgot she had a crunchy muffin.
by mohawkslim November 13, 2014
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Where a guy's dick is extremely hard but short.
Hey Brenda, how was Jake last night?

Pretty good, except he had a "Crunchy Muffin" HAHAHAHA

HAHAHA
by rollercoasterkid April 14, 2010
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When a chicks herpes is going absolutely wild to the point of crunchiness on her muffin
I took this chick home from the bar and bro she had a seriously crunchy muffin. Definitely hittin the walk in today
by Muffinmuncher2001 May 11, 2019
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