1 definition by Tom Simon

Top Definition
The lower mouth, which does most of the talking after the upper mouth is fed too many gas-inducing foods.
Woops, there goes old round mouth talking up a storm again. (cabbage rolls last night).
by Tom Simon December 01, 2006

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