When you finger your girlfriend while she is on her period, and let the menstrual blood dry.
Matt: "Jesus what is that on your hand?"
Jesus: "Ah shit! Maria is on her period, and I forgot to wash my hands this morning."
Matt: "HA! She gave you a Puerto Rican manicure! Hilarious!"

Puerto Rican Fingering Sex period Pussy
by JesusNotChrist August 26, 2014
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