1. frog mouth (n) A person who fails to keep information to themselves. Synonym: big mouth
2. to frog mouth (v) to tell someone something that you weren't supposed to
1. I can't believe you just told him that. You're such a frog mouth.
2. I promise I won't frog mouth to anyone.
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When your getting oral from a female
and you take your piece out real quick and her face will be stuck in a frog like manner
Frog Mouth paris hilton
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hay i did your mum last night, she has a gash like a wide mouthed frog. i thought i was shaggin a welly.
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