1. Term used to describe an indescribable item, idea, thought, or action.
2. Also used to say or reply with in an awkward/uninteresting/unpleasant conversation when you literally have nothing else to say.
3. This word actually has no meaning whatsoever.
Mary: "I can't wait for the new Justin Bieber album to come out, like it's gonna be amazing, my life will officially be complete, omggg <3"
Carlos: "Humdeem."
The standard multipurpose vehicle of the U.S. Army. Typically used for troop carrying and reconnaissance. Sadly, many humvees being used in Iraq fall prey to RPG's (rocket-propelled-grenades) and get blown up. Only a handful of all the humvees in Iraq have armor.