yeah sis 

The term used as a confidence booster for young rachet girls

Girl 1- (comes out of dressing room)
Girl 2- YEAH SIS! Looking cute

yeah sis by Hunteebooboo May 30, 2017

yeah sis 

Used to show confirmation of shocking tea or gossip that you just heard or to throw shade. Another way of saying, "Yeah, you heard me correctly."

Girl: "You mean to tell me he got his mistress pregnant...TWICE?"
Girl #2: "Yeah sis."
Girl: "Wooooow"

yeah sis by shittypromises April 4, 2019