Dick crazy is when a person has sex with someone whom has a really good penis that become so crazy a lustful they either wind up in sex induced rage and become a whore or stalk the person who infected them with "dick crazy"
Jesus alissa, has become so dick crazy after darnell that she fucked the whole basketball team.
A complete and total weirdo, a C.A.D., a McKenna, or a Jessica. Crazy ass dicks are very common around town, everone wants to be one, but watch out, there are many wannabe crazy ass dicks!
"Wow did you see that hobo?! He was a fuckin crazy ass dick!"
"Dude, you don't have to be a crazy ass dick about it..."