Top Definition
a really really large number, 4 sets of billions.
wow, your IQ must be like a quadrabillion or something.
by PhilnGreat May 13, 2006
7 Words related to quadrabillion

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×