This is a hash tag to use when you are speaking about somebody that you and the other party know, but you use the abbreviation so that a name is not used. #you know who
by HanHea December 30, 2015
by Juwlette October 19, 2020
mark: "do you guys want to wait in line to see the Daredevil premiere?"
Tom:"let's go see the matinee"
mark:"you know what?...fuck it!"
Tom:"let's go see the matinee"
mark:"you know what?...fuck it!"
by Anonymous March 20, 2003
by tye definitionare January 7, 2023
the person who received this is young, kind, and wonderful(ykw). Also refers to people who are very beautiful
by peepekfjfjd March 11, 2023