Asharu and Diderrr's definitions

boom-de-ay

An extremely large rump, ass, behind, derriere, buttocks, or gluteus maximus. A "boom-de-ay" usually jiggles when the body is in motion.

DAMN that girl gotta boom-de-ay! I could see it jiggling from around the corner!

by Asharu and Diderrr February 6, 2008