Fifteen is the age in a boy's life where everything sucks. Period.
Your body turns against you in every way possible. Pimples, voice cracks, terrible body odor, unnecessary hair, constant horniness, and greasy skin and hair. Hormones run wild throughout your body producing an array of emotions you can't even understand let alone deal with.
Meanwhile, you have to deal with high school. Projects, homework, hard subjects, sadistic teachers, social crap to sort out, finding allies; they are very hard and common things there.
Also, all the girls you meet at school seem to flourishing into beautiful women. Their wonderful breasts jiggle and taunt you, although you can't have them. The mean ones make fun of you, the nice ones try to humor you, and if you find an absolutely great one that's willing to be your gal, good luck getting the money to pay for her. Businesses won't hire you for a year or so even if you did have the time to work a shitty job.
And there is no relief from this hell that is your life. Doing drugs or alcohol is a temporary release, if you can find, pay for, and not get caught with it. You're just barely smart enough not to commit suicide or run away from home. And you know that porn you're always watching will eventually get you in trouble. All you can do is wait it out.
Also, 15 is the fifteenth number from zero
Dude, why are you so down?
I'm fifteen.
Dude, sorry.

and

3x5=15
by roberto151 February 23, 2010
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15 or Fifteen

Elias: Aye fifteen what about that bitch you clapped last night?

Another mf: that bitch was moaning louder than a horse and the pussy was good ash.
by Cuteface Double E March 8, 2021
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Fifteen is a slang word used by white people to inconspicuously refer to a black person. Rumor is that it originated because 15 is the number on the black crayon in a box of crayola's.
Luk you stole my seat, you're such a fifteen.
by Smack69 November 1, 2007
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When a retard comes up with a retarded naming idea for a concept and thinks it is brilliant.
We will call this the fifteener, you know cause it is fifteen years old.
by Dickfer June 3, 2016
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To randomly add swearwords to an anime-dub to get a higher rating and attract more buyers. Practiced frequently by Manga Entertainment in the 90's.
Manga Entertainment thought fifteening was the new black.
by Anders_hj April 6, 2005
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A fifteen out of 10, much hotter than a regular 10 out of 10.
by JimmyDicky July 4, 2017
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"Fifteeens" refer to 15 inch subwoofers in a car audio system.

For those who don't know, that's fuckin huge. And the shit kicks.
And like a fiend fo' the weed I'll tweak.
4 Fifteens in yo' trunk that's beat,
Proper ass amps, Zapco, Alpine.
Put the coke on the dash,
roll a dolla do a line.
-Andre Nickatina

I'm takin' chunks from punks who want funk,
Treat em like 15's, put em in the trunk.
-Brotha Lynch Hung
by Jaynik July 31, 2008
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