21

The greatest number in the world that can control everybody
Rumored to be the source of nolanitis

it the greatest thing I've ever seen in my life!
21!!! next to a 21!!!

by Nolanitis21 April 8, 2019

May 21

National sit on your crush lap day

U know what day it is today it’s may 21

by WillyB May 20, 2024

December 21

National kiss a friend day because it’s almost the end of the year! Might as well, right…?

Boy: The mistletoe is right over there
Girl: No I’m good
Boy: But it’s December 21

by Gayboy1773 December 21, 2019

21

The other 21 in a meme.

9+10=21 is a popular meme now these days.

by 22 November 17, 2019

February 21

Opposite day for simps

Get your simp ass up its February 21

by The Urban Dictionary cc February 22, 2021

21-0

On Tuesday 30th November 2021 England women's national football team beat Latvia 20-0. A goal on average every 4 and a half minutes. This level of rudeness on an international stage is unprecedented.

For something to be classed as 21-0 it needs to set a whole new level of rudness. Ruder than dedicating your whole life honing your footie skills, only to be spanked 20-0 in front of the world.

Cretin 1: "Did you hear about Timmy banging James girlfriend at the party last night whilst James was passed out asleep?"

Cretin 2: " "Ah bruv that's 21-0"

by Tim Chan Kiwi February 15, 2022

21/21

When one of your friends hangs out with their girlfriend every day for the past 21 out of 21 days.

My friend Trevsu has gone 21/21.

by Flossie28 September 8, 2025