When without warning you get the immediate urge to take a shit, running to the bathroom you start to unbutton your pants, and right as you make it to the toilet it explodes out of your ass and it is all over in a matter of seconds.
Brent: "You ready to get on some halo?"
Mike : "Ah hell, I gotta go drop a deuce"
Less than 30 seconds later...
Brent: "That was the quickest shit ever!"
Mike : "I know, I Hiroshima'd it"