What is Open-mouthed 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-mouthed breathers I've ever seen.
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The title of the message that users will get when they choose an inappropriate username for Wikipedia
I wanted to create an account on ..
