To take a shit or crap.
I deficated on my neighbor's front porch.
από Fetus Humper 3 Οκτώβριος 2005
Yet another mis-spelling of an English word by an under educated public. Of course, the word they're struggling for is 'Defecate'.
I deficate (sic) on your poor use of the language!
από teaurn 1 Ιούνιος 2007