This is often dubbed in on a movie seen on cable TV instead of using "fuck you". This is recognizable due to the awkward mouth motions that do not match what the dub over said.
"oh yeah Frankie? Well FORGET YOU!"
מאת heino 11 במרץ, 2006
an expression similar to saying "forget it" to someone except more negative.
You want me to set up my boyfriend? Forget you!
מאת inane5 11 באפריל, 2005