To take a shit or crap.
I deficated on my neighbor's front porch.
بواسطة Fetus Humper اكتوبر 3, 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!
بواسطة teaurn يونيو 1, 2007