Top Definition
YDK
Abbreviation for Ya Dun Kno, or sometimes just Dun Kno/Dunnoe.

London rudeboy talk which basically means "I agree with your sentiment and support it".
YDK!
#rudeboy #slang #dun kno #london #badman
by Ghefly January 07, 2011
ydk
"you dont know"
screenname 1: idk
screenname 2: ydk?
#idk #ydk #dont know #confused #know
by Michael Superbirdy November 03, 2008
You Don't Know Shit
I got an F on my Math Exam. YDKS bitch!
#ydks #fail #failed #epic fail #stupid #retard #idiot #dumbass #bitch
by AspGod February 13, 2011
You don't know shit.
YDKS about pokemon.
#ydks #you #don't #dont #know #shit
by epic meal time shit talker February 02, 2011
ydk
young dumb kid(s)
Punk ass teens (usually from upper-middleclass families)that
a. are spoiled as fuck (cuz mommy and/or daddy think material things=love, and forego actually spending time with their kids in lieu of Multithousand dollar Cruises or ski trips to Aspen)
b. Are bored, so they create recreation through utilization of booze, exstacy or, when desperate and really bored, mom's Klonopin.
c. Have not, and probably never will -that is until they are out of college) have a job, hence lack of work ethic...
d....and cluelessness when they cant figure out why daddy's money couldnt get them good grades at the IVY LEAGUS school they were attanding....
e....so they end up barely pulling c's at a State Colege (nothing wrong with that..that is where I went...but then again, I grew up middle/working class)
That asshole who keeps tailgating me in his Mom's Lexus SUV is such a ydk.I hope he busts a tire.
#spoiled brat #punkass #fairfield county #rich white trash #snotbag
by kerilynn November 03, 2007
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