A player of Call Of Duty: Modern Warfare 2 that exclusively uses the UMP45 sub machine gun. This player will probably also have fall camo and a silencer.
MattiePOSDaddy just killed the whole enemy team with the UMP45? What an ump chump!
by mattiethedrummer616 September 19, 2010
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.Buy the mug
Can you define these popular missing words?