One whose lips been inflated in purportion to their booty.
Those bitches in Miami have mad Booty mouth.
by Unlimitied Girth January 07, 2013
1 more definition
Its where your mouth smells like ass, but not in the good way like you ate someones ass, but in the bad way like you ate someones ass
Aww man that bitch had bootymouth after she left my house
by Thugnificent69gangstashottabra September 03, 2009