Su

Usually seen in Snapchat Su in slang means Swipe up and or Shut up
It's seen in. Texting not speech

Example "Su who is this "
meaning, swipe up who is this?

Or
Person 1: did u see Madison's Story??!
Person 2: no, show me
Person 1 k, I'll send u a screen shot
Person 2: SU! SHE GOT A NOSE PIERCING??!

meaning

Shut up! she got a nose piercing?!
Shut up in the way of saying, No way or Omg really?!

by Wizz32 October 07, 2019