Top Definition
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.
作者 Timbotron3000 2006年5月28日
6 Words related to Open-Mouthed Breather



邮件由 发出。我们决不会发送垃圾邮件。