He's a mouth breather, who looks like he can't focus.
It's 1938, and if you're a mouth breather with something in your mouth, then you deem your silver privilege an interference with ordinary survival.
He's the mouth breather that arrives at any given conclusion 10 minutes after the rest of the group is already there, and proceeds to announce "his" idea with great pride.
Yow's lyrics are peopled by drunks who hit one another, annoying "mouth breathers," seasick guys who can't swim, and others in physically perilous situations.
He wasn't a mouth breather, she noted, nor a snorer.
Lenny was an okay person but sort of a mouth breather.
Is he a mouth breather?
Don't you middle class slack jaws feel like mouth breathers for wasting your breath discussing my personal charitable beliefs.
Or are you just a mouth breather?
A child who can't breathe from his nose because of allergies, and therefore becomes a chronic mouth breather, risks facial maldevelopment.