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..."
A rule of the utmost priority for any outstandinggentleman/someone who wishes to not be murdered in their sleep.
Baz: I barely escaped with my life last night, this girl I used to sleep with came after me with a machete!
Gill: What did we tell you?
Baz: ...Don't stick your dick in crazy.
Gill: Don't stick your dick in crazy.
A relatively recent but perennially true maxim, advising one to refrain from sexual congress with the unbalanced.
Bro 1: Dude, that girl with the Tori Amos shirt is HOT.
Bro 2: Bro, bro, always remember: Don't Stick Your Dick in Crazy. Here me now and believe me later.