Top Definition
Stands for built-in mp3 player. Refers to when you play a song in your head from memory. Pronounced "bimp-three".
chris: sup?

doug: not much. my iPod ran out of juice, so i'm listening to mastodon on my bimp3.
by Doug Grz May 14, 2008
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.