Person 1: Look at the idiot over there. he just passed me a note that says "you are dum".
Person 2: He must really be dum
Person 2: He must really be dum
by sir climer the great May 10, 2017
by trent da DDB November 15, 2008
by Squal July 15, 2005
Possibly the worst ironic word in the intire internet type. A shortenend version of the usually/possibly insulting word ' dumb ', which originally means 'unable to talk', but in todays language, means just plain stupid.
by D Mob January 23, 2005
by Chief January 28, 2005