Acronym for "You don't even know."
That girl at Wal-Mart was so hot man..ydek....YDEK!
by Zach Grasham April 17, 2007
1 more definition
you don't even know.
Jon: Ya dude, I wanna go, but I'm having trouble with the missus.
by Co0k1eM0n5tr805 June 19, 2009