Top definition
Excess mayonnaise that has been wiped from a butter knife to the edge of the mayonnaise jar.
"I can't reach the bottom of this jar, but the second-hand mayonnaise at the top has bread crumbs in it."
by Lacan May 19, 2009
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