to date or have sex with 3 or more underage persons in a row.
billybobdave had a 3 some with 2 jb's last night and his 8th grade gf doesn't even know, and I heard he's still banging that freshman with playboy titties... He is on a jailbait frenzy !!!!
by Matt Huff July 12, 2010
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A very tightly rolled, notably long and skinny blunt that necessitates hard drags to inhale the smoke. Can last through numerous rotations.
"That shit was jailbait, but wow, I'm still flying."
by blottootto November 27, 2006
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Also known as malebait.

Male jailbait are sexually attractive males who are under the legal age of consent, but physically mature or approaching maturity to the point where their status as underage is ambiguous.

Male jailbait (or malebait) are so termed as engaging in relations with such persons would result in a jail term and being placed upon the sex offenders register.
Girl 1: "Wow, that guy is so hot!"
Girl 2: "Eww! That dude is clearly a high school! He is such male jailbait! You're such a pervert!"
by Brafish December 24, 2014
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A person who is an expert in determining the legal age of a person.
"She says she was born in '88. How old does that make her?"
"I don't know, go ask the jailbait mathematician."
by CMorales May 4, 2008
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When the temperature outside drops below 18 degrees. See also jailbait.
Mack: Dude, I cannot BELIEVE I moved this far north. Yesterday it was 30 degrees outside.

Jack: Ha, wait until December. You're gonna need a new jacket, gloves and hat when it drops down to jailbait temperatures.
by President Warren G. Harding December 10, 2009
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A scene boy who is an upcoming internet celebrity; most known for his blog on Tumblr.
Person 1:
WHO IS THIS BOY ALL OVER MY DASHBOARD?! He is so cutee :xx

Person 2: Oh that is Josh Jailbait; he is gay you know?

Person 1: Oh damn! I am jealous of any guy to get with him.
by AestheticOrellium November 24, 2010
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a gentleman who prefers younger, barely legal sexual partners.
well, aren't you quite the jailbait joe...
by benj4 August 4, 2008
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