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5.
A twitter user who uses the hashtag for any purpose, but typically to develop a topic of their own making into a meme or to self-promote.
The hashers were out in force when moonfruit was offering a free laptop to people who included the tag "#moonfruit" in their tweet, resulting in a lot of positive PR for them.
by Snidely Backlash September 04, 2009
 
1.
Member of the Has House Harriers. Hence a drinker with a running problem. A good bloke
Here's to Fatso, He's true blue. He's a hasher through and through
by Britarse December 18, 2003
 
2.
A member of the worldwide "Drinking club with a running problem", the Hash House Harriers. A hasher is either a Hare or a Hound in a running event where the runner designated as the "Hare" lays trail (usually with flour) and the "Hounds" (the other runners) follow the trail. Once you have run in the hash for a period of time, all hashers are dubbed with a "hash name", or nickname.
Are you a hasher?
Sure am! Name's Jerks His Own. On! On!
by Jerks His Own July 28, 2005
 
3.
(n), pleural of Hasher

Member of the worldwide "Drinking club with a running problem", the Hash House Harriers. When together in a group, they are usually running about looking for the trail that leads to the secret circle designed for the consumption of beer and lewd fun.
Where there are hashers there is usually beer near.
by downN'dirty May 26, 2009
 
4.
A person who employs excessive use of hashtags.
Facebook and Twitter is becoming inundated with Hashers.
by Execaters August 22, 2014
 
6.
one who smokes pot
dude he's smokes to much, what a hasher
by Alex November 27, 2003
 
7.
A person known for excessive use of hashtags.
Facebook and Twitter has become inundated with Hashers!
by Execaters August 22, 2014