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1.
The act of concentrating on defacating or taking a shit so hard that you subsequently rupture an important blood vessel to the brain and die.

Thus, Death + Defacate = Deathacate
Ted: Dude, did you hear about Robby?!

Pauly: Yea Ted...I heard he deathacated.

Ted: That's a shitty way to go man.
by Mill3rtim3 October 17, 2008