Top Definition
The anatomies of when you launch a firework rocket out of your asshole but then back fires and blows your ass up like the results after geting a hand grenade vigorously rammed up your arse

Ps. you tuck the firework in the wrong way...
John: HOLY FUCKING NIGGATRON!! (see Niggatron) i just got a Roasted Colon after having a rocket up my arse following by five lit katherine wheels :) :) :)
by Niggatron9000 May 12, 2010
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