a person who jerks off under covers and chooses not to jerkoff with just his hand in his pantz
Jeb: thanks for takin all the covers Tito, well at leats i wont be a craber
A gentleman or gentlewoman who fornicates in / or under more than 50 percent cotton linens. If wearing denim the crabe is rejected, as not full crabe has occured.
Garth: Yo bro you crabed last night I heard?
Bates: Had to, got pressured from the fam, it was the only way out.
Garth: Heard you had denim on, doesnt count.
Bates: Oh damn, I was almost a craber? Shit.