Someone who still believes they can win. They display blind optimism without being able to deduce they are out of contention.
Anthony was mathematically out of contention during the basketball tournament, but he continued to be a dumb loser describing how he was going to win it all.
by Princess Palmer March 18, 2017
Get the dumb losermug. A form of insult name from the people around you after you tick them off so hard they stopped thinking of original insult.
by The best pizza person November 06, 2022
Get the Stupid fucking dumb un-smart losermug.