Short form of potential tail. Refers to a girl than you could have whenever you wanted, but for whatever reason decide you do not pursue. Potent-tail refers to stockpile of women available at a moment's notice should the mood strike
"Hey Waite you gonna get with Chloe?"

"Nah, that Potent-tail right there. I'm saving it."

"Aight"
by Manchild59 September 26, 2009
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