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21

the number of the best player in the NFL.
LaDainian Tomlinson #21 scores another touchdown! His third of the night.
by Brett21 March 8, 2009
mugGet the 21mug.

21?

Older Brother: Waus naine plus teean? (Whats 9 plus 10?)
Younger Brother: Twanny Wan? (21?)
by snickledumper May 14, 2015
mugGet the 21?mug.

21

Q-WHATS 9+10?
A-21
by Tay-Rone May 11, 2015
mugGet the 21mug.

21

Dude: man I had the best night last night!
Friend: did u and your girl have fun?
Dude: yeah I 21'd her til she orgasmed! It was amazing!
by lovemybear November 1, 2014
mugGet the 21mug.

21

An intriguing male, whose birthday is either on the 1st of February (2,1) 21st of the month, or wears 21 on their jersey. Certain girls are drawn to these males for one reason or the other. They are extremely special, and so are buildings with the number 21.
He is my 21
by Theskimking June 12, 2011
mugGet the 21mug.

21

The age that an American citizen, having been able to enlist in the military, purchase tobacco, vote, and enter a strip club for three years already, can finally go and buy a can of beer.
Guy 1: "Hey, I heard you're 21 today! Here's a beer!"
Guy 2: *puffs cigarette, shouting over strip club music* "Thanks, dude. Now I'll finally know what being an adult feels like."
by heywhowrotethat December 11, 2020
mugGet the 21mug.

21

1. The number between 20 and 22.

2. The age that you are legally allowed to drink and go into bars and nightclubs.

3. The sum of 9+10, according to a dumbass overplayed video on a popular mobile app called Vine, which lets people create quick 5-7 second videos and post them. The video goes like this.

Teenager: you stupid
5 year old boy: no I'm not.
Teenager: what's 9+10?

5 year old boy: ... 21?

Teenager: you stupid.

The original video has been made fun of all over the internet. People do remakes of it, have added the little boy saying "21" into popular videos, and have created songs about it, usually taking the beat of Bobby Shmurda's "Hot Nigga". It was on the news that the kid ran away from home, because he was sick of being made fun of.
Go up to anybody and ask them what's 9+10 and they will answer 21.
by delilahmonique December 7, 2014
mugGet the 21mug.

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