When a girl is standing up and her back is bent(ass out, head up) and someone opens a can/bottle of root beer, then pours it down her back starting from the bottom of her neck, as another person is at the bottom of her ass with his/her mouth open ready to sip down the root beer.
by CMDRUNK October 08, 2013
i got booty rooted last night
by tinkerbinker May 26, 2005