842 

A combination of numbers stating the words: "Eight hundred fourty two".

The number before 843 and the number after 841.

I had like 842 seconds of sleep last night lolollll

842 by AntisocialWeeb August 18, 2016

Rule 8424-B 

There is a rule for almost every number from 1 to 1000 on the Urban Dictionary, most rules for each number being completely different.

Person 1: "Dude have you seen rule 87 on urban dictionary?"
Person 2: "Rule 8424-B"
Person 2: " Which completely different definition for this number do you want?"
Person 1: "The third one."

Rule 8424-B by H4ZZ4_ March 10, 2020

8420 

1. An even number that occurs after 8419
2. An even number that occurs before 8421
3. When all the number (8,4,2, and 0) are added the number 14 appears, and the digits in 14 add up to 5.
4. There are 4 digits in 8420 and it adds up to 5.
5. This is number 5.

Bob saw Alice in a rocket ship and shouted 8420.

8420 by mister cow November 26, 2007

8:42

The time of day where you can do old, overdone memes without getting criticised. If someone does criticise you, you have the right of beating the crap outta them.

Time if day: 8:42
Boy: Hell Yah *dabs*

8:42 by Isaiahranoutofusernames December 16, 2019

842671395

on a keypad:
first you make a diamond shape starting on 8, turning left
second make a square with no sides, just corners
third finish with the middle, 5

idk any examples, its too random 842671395

842671395 by ihyyfpos March 15, 2023