Number Sign 

The number sign will appear as # in Latin script and indicates that what follows is should be read as a number in some series.

May also be referred to as a pound sign or a hash.

A number sign will often be seen on the blackboard of high school and college math courses.

Number Sign by Stormin'Norman June 14, 2013

Number 15 

Burger King foot lettuce

Number 15 Burger king foooooot lettuuuuuuuuce. The last thing you'd want in your Burger Kiiiiiiiiiiiiiiiing Lettuce is someone else is fungus on your lettuce because chances are that’s what you get.

Number 15 by PunCakes( ͡° ͜ʖ ͡°) March 13, 2018

number line 

Its a line of fucking numbers!!!

How many numbers are on the number line?

number line by #skylar April 19, 2018

Number 1 

Stefán Karl Stefánsson

he will always be number 1 in our hearts :(

Coach: Who is number 1?
Me: Stefán Karl Stefánsson
Team: *cries*

Number 1 by Frick me daddy August 30, 2018

Number neighbor

Someone who still hasn’t messaged me back

Me : he I’m your number neighbor !
Number neighbor :

Number neighbor by applepeach August 7, 2019

Number One Stunna 

A young affluent man who is more wealthy, and worldly, than James Bond, Jackie Chan, and that bitch MacGuyver.

Being in the presence of a #1 Stunna may cause otherwise calm people to stutter.

Baby: I'ma a hard stun'n nigga like Evil Knievel!!!!
Wayne: Jumpin' out Lex's and Hummers - showin' off for my people
Baby: I'm the Number One stunna!
Wayne: Wh-what, wh-what, what?
Baby: The Number One stunna!
Wayne: Wh-what, wh-what, what?

Number One Stunna by Mr.Fisk April 7, 2009

number 5 

when you take a crap and realize you craped blood

dude i just took a wicked number 5

number 5 by guywhohighfives May 30, 2011