A girl that is too young, not neccasarily 16, but will get u about 20 years in jail if u mess around with her.
by unknown July 19, 2003
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Term to describe Jailbait. Like those teens on the _____-teen model sites, that chick is illegal.
Quick Tip: Lizzy Maguire T-shirt=Jailbait. 16 will get you 20.
by Brainstrain November 12, 2004
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16 will get you 20 is actually a fallacy, based on the rules for pornography in the United States. While it is true that a minor (under 18) may not appear nude in any form of media, there is no federal law mandating a legal age of consent. The age of consent is defined by the state government, not the federal one.

The most common age of consent in the United States is 16; however some states have 17 or 18 as the legal age of consent. It is however a federal crime to cross state lines with a minor in order to have sex legally; you cannot take your 16 year old girlfriend from NY to New Hampshire just to have sex.

Most states also have a close in age exemption of around four years, where teens aged 14+ may have intercourse with others within four years of their own age. Numbers vary state to state, some being 16+, and some with 3 or 5 years; and not every state has such rules.
Dude 1: Man, your gf is total jailbait; you better watch it or you'll wind up in the pen. 16 will get you 20!

Dude 2: We live in Indiana, dumbass. Legal age of consent is 16.
by FreeLunch August 23, 2009
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Slang. Obviously if you have sex with a 16 year old you’re going to jail for 20 years. If you have sex with a 20 year old you’re getting 69 or oral sex!
Dude! She’s 16! Don’t touch her. Go for that girl. She’s 20. Don’t you know 16 gets you 20 but 20 gets you 69?!
by B-rizzle January 01, 2019
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