Top Definition
Abbreviation for: You Don't Know Shit About Boxing

Shortened version of the phrase coined by esteemed boxing trainer Roger Mayweather who used to it describe the lack of real boxing knowledge possessed by boxing journalists and fans.
Pactard : Marquez is a cheater, he is on PEDS!

Sane Person: YDKSAB, Manny got KTFO because he lunged in and got caught.

Pactard : Your a flomo, Floyd is a chicken.

Sane Person: *facepalm*
by Intentional Butt January 18, 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