1 definition by Old McMeph

1. Mephi is a rarely used slang usually used to define Girl/boy who act toxic and very inappropriatly.

2. Mephi is a word used to describe someone who possess only 2 toes.
1. Oh my god! Kaylee is such a Mephi!

2. You only have 2 toes? What a Mephi you are!
by Old McMeph January 27, 2021
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