Top definition
A person who exhibits an aggressive attitude towards people, places, or objects on a daily basis.
"Man you were a real grumpo last night. You punched holes in the wall and lit a couch on fire"
by Peteskeet May 30, 2007
Mug icon

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