Someone who excessively uses hashtags on the internet.
Friend 1: "Just went to the movies. #Swag"

Friend 2: "Wow, what a hashfag"
by JFthePROFESSOR May 9, 2011
Get the Hashfag mug.
Someone who is so addicted to twatter, they use hashtags outside of it.
These include;
Tumblr.
Youtube.
Facebook.
Hashfagger: Hey guys, going to moves l8ter with my homieszzzz #swagggg

Normal guy: Wow, nice job hashfag. Fucking asshole.
by George Washingmachine March 1, 2012
Get the Hashfag mug.
A social media obsessed person who cannot refrain from tweeting, instagramming and all other forms of publicising their pathetic lives. #cunts
Omg check out my pizza!!! # soogoodd

Dude ur such a Hashfag
by aaronymous March 26, 2014
Get the Hashfag mug.
A gay man, or same gender-loving self-identified male, who uses excessive and arbitrary amounts of gay-related hashtags after an instagram selfie.
Guys, read Jason's post; it literally is him driving his car drinking his strawberry frappuccino with the caption, "Happy Monday, Bitches!! #gay #gayboy #gayboi #lgbt #gaycar #gayseatbelt #gayfollowme #twink #cutegay #single #gaysingle #follow4follow #lgbtq #instagay #homo #instahomo #rainbow" He is such a hashfag.
by n8t23 March 9, 2016
Get the Hashfag mug.
A person who uses an excessive amount of hashtags in their tweets. Ironically hashfag in text speak is a hashtag.
Tommy used at least 15 hashtags in his last tweet, he's a real hashfag.
by lolage21 December 31, 2011
Get the Hashfag mug.
People who use hashtags on facebook.
Hashfag facebook post:

I-495.. #novaproblems
by Oh4Sh0 February 10, 2012
Get the hashfag mug.
Anyone who mis or overuses hashtags through either social media and/or real life.
Terrible people, really.

#swag #dont #trust #nobody #follow, shit like that

They also tend to use emoticons frequently to add to insult.
A commenter talking about a problem with Gran Turismo 6 on Facebook.
Guy #1: Rather get all the promised #GT6 DLC that were promised! #VisionGT has been left too long since the Mercedes AMG #VGT. BMW or Alfa Romeo next please! #QuickQuick

Guy #2: Oh boy you hashfag
by PakaChaka March 20, 2014
Get the hashfag mug.