A Dirty Curty is similar to a Dirty Sanchez, however when doing a chick doggystyle and sticking your finger up her ass, one does not give the chick a reacharound shit mustache but instead he gives himself the shit mustache.
Dude, we could see Joe railingthis chickfrom behind through his bedroom window, and he totally stuck his finger in her ass and gave himself a Dirty Curty.
The nickname of a good basketball player, the shot is so good its not even clean you did your opponent dirty and Curry derived from the player Stephen Curry.