Top definition
A person who's mentally flipped or something or a situation that has gone randomly wrong.
"Sorry guv'nor, can't get to work this morning the wife's gone all gunnijelli on me".
by Lem Lem February 24, 2011
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