Top Definition
Noun. A bongobum is a backside which has relative features to a bongo drum. For example, the buttocks can have a likeliness sound when played as an instrument, a visual likeliness and a likeliness feeling to a bongo drum.
Plural- bongobums.
Boy: Woah! When I hit that girls booty it sounded like bongos!

Boy's friend: Yeh! That girl has such a bongobum!
by Dancergirly000 November 15, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.