eht knuf si gnorw htiw uoy

the backwards way to say the FUNK is wrong with you

Bro what eht knuf si gnorw htiw uoy you need to chill.

uoy boy

meaning a yes boy , you always say yes to people

it also means to be a sheep (following someone around)

Tommy: Ranboo's a bit of a uoy boy.
Ranboo: Im not a uoy boy.
Tubbo: Ranboo IS a bit of a uoy boy isn't he.

uoy

Uoy is a unique way to say you

P#1:Hi! How are uoy?
P#2:Good,how are uoy?
P#1:Good.