Top definition
When one ignores or returns another's attempt to grump him in a manner to outgrump the original grumpee.
Hilarious, I know what I said is making Chad grump, but he's pretending it didn't and is trying to countergrump me now.
by Chad Chaddington May 29, 2008
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