A slur for Chinese people from the old English days, referring to Europeans fornicating with the Chinesewomen without their consent. Nowadays is usually used as a derogatory phrase towards friends.
A comeback to say if bitches complain about you. Put childish people in their place and let them know you're not having it if they can't accept what you're wearing, what you like, etc.
Person 1: You don't eat pie on Thanksgiving? You're lame as fuck!
Person 2: Suck your mom's tits if you can't accept that.
Ulzzang true definition is "best & "face" = best face in korean. They are basically people with above average looks, sometimes with the use of photoshop and haduri who post their pics online, some becoming internet celebrities.
"Hey, see that chick over there? She's pretty enough to be an ulzzang. :D"