When one sits on the toilet with no seat down so as to sink into the toilet bowl as much as possible to have his/her buttocks closer to the water line, thus reducing the risk of a water splash-back incident (also known as a "fitzgerlad")
Guy #1: Hey man how did you go on the crapper the other night after that pie eating competition, did you end up with a Fitzgerald???
Guy #2: Na bro I just executed the lowriding position and all was well.
Guy #1: Genius!