A post cum butt queef spray. More accurately, a gooey spray fart after cumming in a girl's ass and pulling out. When pulling out you get sprayed with a gooey, grayish purple like substance.
When you twist the tip of another person’s penis. This phrase can also apply to twisting your own penis but typically this only occurs after dares and lost bets. Glurple comes from the scientific term for the head of the penis; the glans.
Bro 1: Yo! Mark twisted the tip of my wang at the pregame. I don’t know if I’m gonna be able to bang Becky later. It’s all purple and it’s bleeding a little bit.
Bro 2: Oh wow man! You got a Purple Glurple? That’s epic!