Top Definition
1. (noun) A white woman who's progeny is a mix of caucasian and african-american descent. Usually a white woman who is so fat, horse-faced, smelly, dirty, and nasty that the only sex she could get would be from a desperate black man motivated solely by his desire to defile a white woman.
I knew that bitch with the gap tooth, crusty teeth was a mulatto popper before I even saw her baby's daddy, who, might I add, is a nigger.
by bromojo August 27, 2006
A white or black woman carrying a child whose genes are a mix of both races (the child being commonly referred to as a mulatto)
A: I'm pregnant again
B: Damn girl you're becoming a regular "mulatto popper" aren't you!
by Back2Beast November 26, 2009
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