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Used to be the sign for a number, but thanks to goddamn twitter its called a hashtag. possibly the most annoying key out there that kids use these days before the dumbest sayings and words. And don't think I'm an old party pooper because I'm 15 and saying this.
Sarah:#OMG
Allie: #swag
Jack: #ihateniggasstealingmybitch
Jeff: #throwbackthursday
Me: #ifuckinghatehashtags #fuckallofyou #imleaving
by ak15 November 11, 2013
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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2
The most annoying piece of shit in the world. It is commonly used by attention seeking whores. Some uses for it USED to be:
Number sign
Sharp sign (in music)
Tic tac toe grid

But now thanks to twitter its a "HASHTAG". Used by annoying people.

Some people who use it:

99% of my school
Whores
Obnoxious hypocrites
Anybody I hate
Bob: #YOLO
Joe: #SWAG
Tom Ato-Brain: #WCW #MCM
Idiot: #SELFIE (which is becoming a word in the DICTIONARY)
Me: #ihateallofyou
by N. D. Toilet July 25, 2014
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4
The short way for saying hashtag, which is the better way of saying pound sign, which is the short word for the ridiculously long word octothorpe.
OMG! There's a frickin' # about me! It's #AWESOME
by An Actual Fatty Catty December 09, 2018
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5
Used as a tagging marker in Twitter for creating lists and groups.
#wsd get immodium, lunch w/ @scobleizer
by Mlx March 01, 2008
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6
used as tagging marking on twitter and also means "number".
"#5ONTHEWALL"
"hey girl what's your #??"
by mike ro-wave September 28, 2015
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