1 definition by selphinator

childish language meaning that the person referred to is absolutely and totally unfair and won't give the ~five year old whatever the hell they want.
Jenny screamed at her babysitter Chrissy that she was 'a big poo poo head' when Chrissy denied her mac 'n' cheese & hour of MTV's The Real World.
by selphinator July 11, 2005
Get a a big poo poo head mug for your cat Paul.