Waash can mean multiple things in multiple
scenarios, it can be used to describe disgust, “Uhh dude this food tastes like waash!” It’s also a synonym for “Stuff,” “You got Ramen?
I love that waash!” It can also mean taking a sip or bite of
something, “Yo can I take a waash of your burger?”
“I swear you’re so dumb, you’re a waasher”
“Aight boys I’m going to
the bathroom I need to take a huge waash”
“Can I take a waash of your
Iced Tea bro, that waash
looks good as waash”