When, upon meeting someone, you dislike them, pull out your UMP, and blow everyone in the room's heads off.
I met some douches at the pub last night, so I gave them a memorable first UMPression.
by Big Hairy Pendelum June 12, 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?