Guys - when you're fucking a girl, pull out, cum in your hand, shake it in your hand and slap her in the face. (like your playing craps in vegas)
Chicks - you're blowin a guy, act like you swallow, spit in your hand, shake it up and slap the guy in the face.
Dude, i was in vegas this weekend and totally craps slapped a $80 hooker.
Omg kelly, i found out that my boyfriend was with a hooker in vegas last weekend so i thought "what a perfect time for a craps slap"