Top Definition
acronym for 'you should've known better'
1: The teacher wrote YSKB on my assignment, does that mean 'you suck bitch' or something?

2: It means you shoulda known better.

1: Oh, thanks.
by halloo June 09, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.