Top definition
A small ponytail favored by prisoners, ex-cons, and meth dealers.
That guy's jail tail and prison tats are freaking me the hell out.
by buddybacon March 21, 2008
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2
Another term used for jail bait. A girl who is extremely attractive and sexy but is underage. Very often appears to be older but is really still in high school. Thus untouchable on the fear of going to jail.
Man that girl at the gym last night had a nice ass but she had on a high school track shirt.

Oh man thats probably jail-tail.
by Joey Val July 26, 2010
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