Top definition
A mixture of mashed potatoes and saliva, usually encountered at dinnertime. Occasionally found outside of one's mouth, but only through the previous action of spitting it, perhaps at someone or something.
The gumpmash made a chomping noise between my jaws.
by Matt I September 11, 2004
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