Top definition
1. A way to describe someone's behavior when they are being crazy, insane, silly, spontaneous, funny, or wild.
Whenever Alexis and Nate hang out together, they are coo coo banana sandwiches!
by AlexisBrooke November 13, 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