m\(-_-)/m
A f***ing intense face used when you're headbanging or rocking out like you're in a f***ing band.
He typed (m\(-_-)/m) when he headbanged to the song.
She sent (m\(-_-)/m) to her friend during the rock concert.
He posted (m\(-_-)/m) when he was rocking out like a f***ing legend.