Don't Be a Mouthbreather
“Don’t be a mouthbreather” is today’s motto. The term “mouthbreather” has been tossed around to mean someone who is not the sharpest tool in the shed. Generally, mouthbreathers are characterized by a mouth hanging agape, possibly with a fly or two buzzing in and out, with a thousand mile stare plastered on their face. This image is definitely not one that screams intellect and as it turns out, it actually is smarter to breathe through your nose.