What is Poke The Yolk?
Having sex with a woman who is menstruating. The 'Yolk' is a reference to the female ovum.
Dude 1: Man, I wanted to bang that chick last night, but she was on the rag.
Dude 2: Lame. Why didn't you just poke the yolk?
See sex, woman, menstruation, yolk, poke, radius