Somebody who says "um" a lot, or many times in a row without using actual complete thoughts into a reply.
Kevin: Wanna go to the mall?
Grace: um...
Kevin: do you??
Grace: um...
Kevin: Gosh stop being such an ummion!
Grace: um...
Kevin: do you??
Grace: um...
Kevin: Gosh stop being such an ummion!
by ((I'm-watching-you)) February 21, 2010
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