look up any word, like bae:
 
1.
A crazy, man, who likes to yell, into the phone, and claim he is, an elite engineer.
I heart Crazy J yelling about how he was going to do some ownage.
by karik July 25, 2006
 
2.
That one kid who is always naked, stealin girlsies and guysies pantsies. Crazy as a mutha fucka. No controllin these
Woooah woah woah brohan, you totes went crazy j on that bowl of ice cream
by franklin2345 April 12, 2011