It could work for someone who is trying to look unnerving. Like a creep in a bar reverting to mouthbreathing. Or a criminal. The villainous antagonist of a drama rather than an action movie.
But it isn't a "heroic" or protagonisty look, that's for sure.
I HATE it when people do that!
Who leaves their mouth hanging open when they're done talking?! WHO DOES THAT?!
Slack-jawed pansies...
It could work for someone who is trying to look unnerving. Like a creep in a bar reverting to mouthbreathing. Or a criminal. The villainous antagonist of a drama rather than an action movie.
But it isn't a "heroic" or protagonisty look, that's for sure.