Fuck you is a type of vulgar slang.
Fuck you: exlamation
used to express anger, defiance, or contempt.
Fuck you: Noun
an expression of anger, defiance, or contempt.
Fuck you: adjective
expressing anger, defiance, or contempt.
Fuck you: exlamation
"‘Fuck you,’ she repeats and slaps him across his face"
Fuck you: Noun
"the album was a resounding fuck you to those who had written her off"
Fuck you: adjective
"a fuck you attitude"
A term of endearment towards a friend.
"Fuck you, Johnny." Said Ralph "I fucked your mom last night, you tryna make it a threesome?" Johnny replied