Like in black jack a 15 is a girl who your not sure to "hit" ,or "pass".
Guy 1: That girl from last nigh was a 15.
Guy 2 :Wtf you mean?
Guy 1:Im not sure if I should hit it ,or stay; like in blackjack.
Guy 2: Bro totally!
by LJM6 September 07, 2018
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Pronunciation: "Ah 15"

A 15 is a way of describing a girl who you are unsure you want to sleep with, whether she is not sexy or just fugly.

A 15 reffers to the casino version of blackjack. When you get 15, you are never sure if you wanna hit it.

Derives from "How I Met Your Mother"
Boy 1: Hey, you see that girl over there?
Boy 2: Yeah man look at that face? Shes A 15.
Boy 1: Oh you can just get a plastic bag for that face.
by natty56bp January 23, 2012
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One of the worst ages of being a teenager. You are in the middle and you wind up with the most problems that age. You are too young to drive without an adult, cannot go to the prom, and get a part time job like real teenagers. Your head is up your ass and one day you are still a kid watching cartoons and another day you'll like to have sex. This is also the age when most teen problems occur such as anorexia and cutting.
Bob: I am 15... what a crappy age. Only a few months until I turn 16, I can't wait.
by Lil Duff 2008 July 26, 2008
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Is when you stick your feet in Burger King lettuce.
Dude why didn’t you do the #15 to your meal?
by Coco Niny 6969 February 05, 2018
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Adjective: The resulting mental state of mind after ingesting more than copious amounts of alcohol.

Generally prefaced with "God damn son." The phrase initially denoted how many beers it took to reach this stage, it has since expanded to any form of alcohol, and the number "15" no longer necessarily denotes how many drinks you've had, but has rather maintained its position in the phrase as a means of tradition rather than literalness.
"God damn son, I'm 15 in and ready to but fuck." (incorrect spelling of "but" is required when written or typed)

"Son, I'm 15 in."

"God damn son, this bar would be a lot better if we were 15 in"
by antwood October 12, 2011
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An age in a person's life when they aren't a kid, an adult or even a preteen but a teenager.
I'm only a teenager and I'm only 15!
by SakuraSaku June 28, 2007
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burger king foot lettuces
#15 the last thing you want on your burger king burger is someone else's foot lettuces,but as it turns out that might be just what you get
by KillerCrow September 20, 2018
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