look up any word, like darude - sandstorm:

1 definition by Tangavitch

 
1.
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