1)A Gay person who thinks its real funny to stick their knob up so far someone's ass that they actually poke the shit
"Dont you dare stand behind me Shit Poker"
by Simon November 11, 2004
1. Someone who is the penetrator during anal sex (especially gay anal sex). Refers to the fact that the penis pokes the feces inside the rectum of their partner.
"Oh man, Elton John is the biggest shitpoker over".
by bad daddy April 13, 2005