Top Definition
Celebrating an achievement in a manner that is disproportionate to the deed. Excessive self-congratulations that is most often seen in sporting events, but occurs everywhere.
Her fist pump through the windshield after making every green light on the way to the movie was propjack karma.

The bicep show after his team got their only first down of the first half was pure propjack.
by mcdede December 29, 2013

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