Adj. A word meaning that shit is ill, hot, off the hook. Mostly used in refrence to that in according to something or someone that is about to explode in a possitive way.
It's a person so reckless that they're trying to get in fights and cause trouble for no reason wherever they go.
Yo I was at the bar last night with Johnny and someone stepped on his shoe and apologized but Johnny still hit him. That kid is a combustible ass nigga.