What is Open-mouth Breather?
1.
Someone who keeps their mouth open, often with tongue sticking out; appearing mentally deficient. Implying the person has brain damage or is mentally deficient.
All his friends were idiots and morons; the biggest collection of open-mouth breathers I've ever seen.
See
Random Words:
1.
This can be shortened to OBT or simply butt tongue. Usually this phrase is meant to insult someone, but can also be used to express that..
