Top Definition
its when your ass, spontaniously bursts into fire
Person 1: Oh no my ass just burst into fire for no reason at all.
Person 2:Why Thats Spontanus Combustion.

I Think I Just Spontanusly Combusted
by Tangavitch May 02, 2007
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.

×