Top definition
The thick, flowing locks of hair that dominate the anal region.
Dude I had to take such a fat shit, but unfortunately, my load got stuck in my grundle grass.
by The Grundle master October 25, 2005
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