the act of taking a large erectal penis from the back..this action can take place inside either a girl or a boy.and with or without the use of a condomn or personal lubrication.
The lights were off.and i thought i was giving it to my girlfriend up the butt.but it turned out to be my dad.
by B-rad G from d 904 July 06, 2007
when you take it up the butt
by Adrian June 26, 2003
by a to the t and two other retards August 11, 2007