A person who makes you give up on your morals and all your life goals.
I told my Boyfriend he was fat and lazy and he said it was my fault for being a "Demoralizer"
by Jenarla December 03, 2009
The act of stripping ones values and dignity during a game of beer pong.
That greande you guys just made was a demoralizer...
by Leads March 12, 2010