Top Definition
The best; the most favorable condition or greatest degree or amount possible; first in rank or degree; in a most excellent way or manner; the thing that is most outstanding or excellent; something that tops all others.
Dude, the lake trip is going to be so proptimum!

Local Yogurt is proptimum!

Yo, last night was so proptimum!

Do you have the proptimum angle to see the screen?
by Matt&Katie May 19, 2010

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