It is a subject that relates a confrontation of a another person ( Family, Friends, Etc..) to you during a
personal spoken or activity that involves intimacy or secretive issues (
potential trash talking) that are not fixed to
leak.
Wassuping is being caught red-handed (Basically)
Example
1: Sexual Activity
Brother
1: Is doing sexual activity
Brother 2: walks in on him
Brother
1: Consecutively says " Wassup wassup wassup, what's going on bro, do you need some help with something?
Brother 2: Slowly walks out of the room, pretending to not notice what has happened.
Example 2:
Friend:
Dude, you know that guy that hates gays, well he actually is gay, hahaha.
Buddy: Dude what a
faggot he is (friend 2 is his friend).
Friend 2: *suddenly walks in*
Buddy: Hey bro wassup wassup wassup, how
long were you here man, i didn't notice you.