Top Definition
1. An acronym meaning "it might be bad."

2. An acronym meaning "I might be black."
Person 1: I want to date your ex. Are you ok with that.
Person 2: Don't do it: imbb.

Person: I have a large penis. Imbb.
#black #acronym #cantaloupe #bad #inadvisable
by lsmnr November 15, 2010
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.