Green toe, also referred to as GT is a reference made to female genitilia which has not been sterilised sufficiently, therefore forming a crust like layer on the inner and outter genital regions. This may also be referred to as "Crusty Flaps".
one might say to one's friend named Gant, "Gant, smell the green toe on ya hi!"
by Raffdog October 17, 2007
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Toe nails that have turned a deep shade of green because of the Nasty fungus that resides beneath the nail. Green toe nails are most prevalent in old men who wear brown strapped sandals to graduation parties or any event in the summer months. You find yourself sitting at a graduation party you were forced to attend with your family for a third cousin who you immensely dislike , only for an old man to approach you with sandals and a Hawaiian shirt with his green toe nails nearly scraping off your ankle flesh with their sharp edges.
Pete's long, green toe nails reeked in the breeze as he placed his feet on the deck table.

Her green toe nails made her seem so disgusting to the church congregation as she stood greeting people in the chapel with her heaping sundress.
by Floof July 2, 2017
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It means that she has a good head game and is loyal
she has green toes so you know whats up
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