Top Definition
A vagina during menstruation. Failure by a women to inform the person performing cunnilingus that she is on her period.
"Charles forgot our anniversary Veronica, I taught him a lesson by treating him to a 'Blood Muffin' he won't forget that I can tell you."
by Rattyman1964 April 16, 2010
1 more definition
1 Word related to Blood Muffin
noun :1) A used tampon 2) adj a dirogitory term directed at someone resembling a cotton swab shoved up the itchy vagina of a rabidly menstraiting woman, then removed and discarded.
adj: You are a bloodmuffin.
noun: Clean up your damn bloodmuffins, I don't want to touch them.
by Wyreth December 24, 2006

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