HYMR

Noun. Abbreviation-Hut Ya Mouth Rudeboi
A slang phrase commonly used by sexy yet ghetto at heart girls from the South-east of London to display emotions of anger or displeasure during conversation.

Boy: why you being such a prick?

Girl: I don't wanna talk to you
Boy: bruv, I'm talking to you init
Girl: HYMR!! Mi garrrnnn