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A Dexter Dime is a female who is not attractive in most's mind, but to some people (commonly male, name starts with a D ends with an exter) is a flat out dime, 10/10.... just dayum!

LOL no, just no......
A mehhh girl walks by (Dexter Dime)

Woah, that girl is fineeeeeeeeeee!

Lol nah just a Dexter Dime
by The_Prophecy October 03, 2012