Top Definition
A girl (or sometimes a boy, like royo) that has unnaturally big breasts for his/her age.
Usually can be spotted during sportactivities like running. These people have massive hormone-machines inside them.
Dude #1: Hey check out that boobtron!
Dude #2: Wow, she sure is wiggling with the twins
Dude #3: Ya she shouldnt be running
-After that everyone is quietly looking at the boobtron-
by XeoFreestyler May 19, 2004
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.