Top Definition
1) N-The immeasurable point at which further inhalation of marijuana smoke will no longer get the user more high, and proceeds to only make the user sleepier.
2) N- The immeasurable point at which your lawn mower bag will hold no more grass.
Ex 1. Jimmy is way past critical grass, I bet he's passed out in an hour.
Ex 2. Load another bowl, I'm along way from critical grass.


by Ponyface March 15, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

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

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt