YDKS

You Don't Know Shit

I got an F on my Math Exam. YDKS bitch!

by AspGod March 1, 2011

YDKS

You don't know shit.

YDKS about pokemon.

by epic meal time shit talker February 22, 2011

YDKSAB

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