#

used as tagging marking on twitter and also means "number".

"#5ONTHEWALL"
"hey girl what's your #??"

# by mike ro-wave November 13, 2015

#

#just a hashtag

yo #your gay

# by cool-aj November 20, 2019

#

A grid for the playing of the game Tic Tac Toe.

Hey Poindexter, take your finger out of your ass, and lets play some #!

# by Malcolm X-crement December 3, 2003

#

a number sign. mostly used in the internet and when texting. Instead of typing the word "number", you can use this as an alternative.

zzz:what's ur #?
yyy:it's none of ur business!!

# by Snaked Eyes J. Slither September 15, 2005

#:(

I got the shit kicked out out me
or
Im hurt
(Used in IM conversations)
# is represented as a bruise on the head, like in old fashinoned cartoons

Alexandra: Hey Tommy baby, wazup?
Tommy: NM, #:(
Alexandra: Awww...poor baby
Tommy: So doz tht mean u cn cm ovr?
Alexandra: psh..no, im going shopping
Tommy: ;......(

#:( by zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz January 17, 2008

#

the waffle key. many people use it as an abbreviation for 'number.' it looks like a waffle.(:

(>^-^)>#

# by justanotherloooser.(: January 2, 2010

#

The pound key on old phones, as well as being the shorthand symbol for numbers. Also known as hashtags by poorly educated young males and females.

Uneducated guy: Yo i found a #hashtag symbol on a phone from like the 90s! like, twitter wasnt even invented back, so why they need a hashtag?
Intelligent person: Are you a special kind of retard or what?

# by Intelligence001 April 4, 2017