Top definition
n. 1. Exceptionally creamy, viscous fecal matter commonly occurring after a meal at White Castle or watching an entire episode of The View.

"I just laid out some nasty mookie-butter. It looked like soft-serve."

by Sir Spoonington August 05, 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