an act durring intercourse when a male unknowingly inserts his penis in the females buttocks crack; all the while he believes his member is in the vagina.
P.J. Brunson chugged two forties and pumped her crack. He's a buttcrack bandit.
by Yuri Gellar November 08, 2003
When a male is trying to copulate with a female in the traditional way i.e (penis enters vagina) when a mistake in the placing of the penis results in the male thrusting in the buttcrack of the woman resulting in embarassment and no stimulation for the female.
Yeah I fucked her! Not like that asshole chuck who was drunk as shit and just pounded her poop gully. What a buttcrack bandit!
by acipi dobb November 10, 2003