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2.
Acronym: stands for "Your life is screwed".
Generally used to express sympathy to a friend in a bad situation.
Bob: My parents just died, my house has ben repossessed and I've just found out my wife has been cheating on me.

Pete: Man, YLIS.
by Dthen November 17, 2009
 
1.
yli
You love it
Man 1: EW THAT'S GROSE
Man 2: yli
by Meeby January 17, 2010