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1.
A girl whose teeth are crooked inward, creating a penis trap
NO ROB DON'T ITS A TRAAAAAAAAAAP

-Warn your friends about a trap mouth
by Skylead September 22, 2009

Words related to trap mouth

teeth beartrap buckteeth crack meth meth mouth slore trap
 
2.
The appearance of an individual's mouth after a prolonged exposure to or extensive use of drugs consisting of rotting, decay, etc. Also see "Meth Mouth."
I can tell you been on drugs for a hot minute because you got dat trap mouth.
by Slick Sleezy March 09, 2008