(n) The length of time some woman has control over your assets after you knock her up.
She wouldn't get an abortion, so now the bitch has my wages garnished for the next 18 years
by Playa N March 3, 2006
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The Age You Are Officially A Fucking Adult
Me: Yeah I'm An 18 Year Old Now I Can Move Out Of My Parents Cruddy Home!
by I am cool 2015 January 4, 2020
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When someone turns 18 years old, they are legally an adult.
She is 18 years old!
Cool!
by IronFox y’all November 17, 2019
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When a guy comes inside a girls pussy instead of pulling out. Increasing the chances of her becoming pregnant, resulting in 18 years of either child support payments or 18 years of raising a child.
Joey: i hooked up with that blonde chick last night
Mark: oh ya? how was it?
Joey: I gave her the 18 year orgasm then bounced out afterwards
Mark: Dude, Joey, you gotta start pulling out of these bitches or else they gonna get preggo.
by PseudoNympho12yrold March 11, 2017
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A female human in between the ages of 17 and 19
Person 1: Look at the 18 year old girls!
Person 2: How can you tell they’re 18?
Person 1: They’re not 17 but younger than 19.
by Communist Nazi April 16, 2018
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The “it’s 5:00 somewhere” of child predators. Used when trying to get out of trouble. If used properly it works every time.
Chris Hanson: How about you explain why you tried to sleep with a 13 year old girl?

Predator: she’s 18 years old somewhere.

Chris Hanson: what the fuck?
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