1 definition by Psycho Whiteboy,V.V.

To be exposed unknowingly and unwillingly to the act of another individual defecating in a public area.
Did that man just take a shit in someone's front yard??? If you saw what I just saw, you have just become a fellow Shit Witness! For counseling please contact 1-800-SHI-TWIT or attend your local ShitWit Anonymouis meeting.
by Psycho Whiteboy,V.V. March 3, 2012
Get the shit witness mug.