Top Definition
1. The largest useful number in real mathematics.

2. upper-bound solution to Ramsey theory.

3. Makes googolplex look like a pussy.
...9404248265018193851562535

7963996189939679054966380

0322234872396701848518643

9059104575627262464195387

...yeah that's the first 100 digits.

Graham's Number is enough to make Chuck Norris blink.
by plasmaXwisp August 25, 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