Adjective- describing one's butt as being very large and volumptious. See Callipygous.
"Dang her butt be like badoom-badoom!"
by Twatastic March 30, 2013
badoombadooms are a very large set of saddle bags that bounce wildly and out of control when a girl walks.
Yo duck, them is bout da biggest set of badoombadooms i ever did see.
by booradley jones January 05, 2007