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Characterized by having some or all of the following in your mouth: very crooked teeth, bad breath, unsightly oral sores, and a heavily coated tongue.

Synonyms: British teeth, picket fence, yuk mouth of epic proportions
I met her at a club and it was dark... imagine my shock and dismay when I saw her Mouth of Horrors in the light of day.
by Nancy_Drew_Mysterious October 04, 2006
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