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1.
Noun. Underage, usually female, potential sex partner. Although she is a hot piece of ass, banging her might lead to twenty years jail time, as this would constitute statutory rape. -- Slang derived from 16 will get you 20. Synonyms: jailbait, lolita
Step off that 1620, man, she's jailbait.
by Jenn Frank September 08, 2005
 
2.
under aged girl/boy that you have sex with that will get you sixteen to twenty years in jail

or a sixteen year old girl/boy that you have sex with that will get you twenty years in jail
robert is fuckin around with that 1620.
by Speedy0469 August 15, 2005