Top definition
The act of a loud, rumbling fart.
*fart noise* "oops, just laying a grumbler"

"No one is going to fancy you if you keep laying grumblers!"
by ThunderPants March 09, 2014
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