Dirty Hat Trick

Having sex with 3 different women in a day separately, without washing off in between.

Guy 1: Hey man, what did you do this weekend?

Guy 2: I did a Dirty Hat Trick this weekend with Sandy, Stacy, and and Amber.

Guy 1: Dude! That's nasty but awesome!!! Hope they don't talk about it and find out!

Guy 2: Yeah, right? They all blew me, too. Haha!

Guy 1: Gnarly!