From the chess-related movie Searching for Bobby Fischer. The correct spelling is actually "patzer," and it's a derogatory name for a weak player. The term was revived in the Kevin Smith film, Chasing Amy
Don't be a complete fucking potzer like you were last night
by BankyTheHack April 24, 2003
a person who does or says something to make a fool of himself.
Man, stop jumping around. You look like a potzer.
by Weaver March 19, 2004