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2.
loss of concentration of wat is going on around you; a mental shut down
yo wussup how was ur uhhhhhhhhhh...

by joe medina August 18, 2006
 
1.
A guy who works at a client support desk who has no clue what the hell he is doing. He constantly says ummmmmmmm umm and umm. These types of people will drive you nuts.
uhhhhhhhhhh Sir im trying to do the best I can to help you with your issue. uhhhhhhhhhh
by Bhull April 13, 2009