look up any word, like blumpkin:
 
1.
when a guy takes off his belt and smacks a girl until she fucks him.
girl, i will buttwhip u if you dont get here.
by yur daddy May 30, 2005
 
2.
another word for a melee attack in halo
i just buttwhipped that son's ass back to cambodia!!!
by the buttwhipper July 09, 2005