Ploishing occurs when an object or character model inside a
video game goes past the
boundaries set up by the programmers, and hurdles endlessly into a void. Glitches and bad level geometry are
the most likely factors to cause an entity to ploish.
Player 1: Don't try to jump over that wall
in the corner.
Player 2: Did you
get over it?
*Cut to Player 1's character falling underneath
the world*
Player 1: Yeah, but I ploished when I tried it.