A person who excessively uses hash tags in everything they do. Also someone who uses hash tags that are a paragraph long.
"omg Bethanne I just had the most delish bologna sandwich! I've gotta post about it!". Status update: I ate a bologna sandwich so much yum! #delish #socks #mayoattacktothemax #bread #nomnomnom #pig #beef #horse #fowl #mybolognahasafirstnameitsoscarmybolognahasasecondnameitsmayerilovetoeatiteverydayandifyouaskmewhyisay #yum #pink #meat #pinkmeat #meatpink #meetcute #hashtag

"Wow Bridgette-Jo you're such a hashtag abuser"
by I'm_relevant August 3, 2014
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The kind of activism undertaken when you "do something" about a problem by tweeting or posting links to Facebook, without any intent of ever actually doing something. Nothing more than a nonsense feelgood gesture so that one can say they "did something about" whatever trendy cause they're pretending to care about. Usually only lasts a week or two before the cause is completely forgotten (i.e. it stops being cool to forward/retweet on the subject).
I forwarded a video about some unspeakable atrocities in a country I didn't know existed until I watched the video. My hashtag activism is going to accomplish something!
by CJ.MK.87 March 8, 2012
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You’ve created a hashtag with legs - it’s trending on Twitter right now!

That hashtag has legs. Everyone will see it.
by hashtagwithlegs October 4, 2019
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Someone who continually uses a "#" before the majority of words that they type on a social networking site.
"#awesome #new #haircut"
"Hashtag wanker."
by Melissage February 1, 2013
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Hashtag Swag (#swag) only the coolest of the cool use this word. Only douchebags like Jared Hooker use just Swag.
Jared: 'Man you're cool Callum'

Callum: 'I know bro. hashtag Swag'
by Cal1umz September 18, 2013
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When someone sees a Millennial doing something typically clueless or unthought out, narcissistically expecting others to acquiesce to what they are doing instead of trying to respect that there are other people pursuing their interests as well. For instance walking through an intersection against a traffic light while simultaneously holding a text conversation they are engrossed in. One could call it "#hashtag millennialing" This can include any oblivious actitivies. Yes it is a double hashtag... This is due to the millennial tendancy to hashtag everything WAY too much. Over hashtaging is another example for using "#hashtag millennialing"
Hailey just came down and told us to keep quiet because she has to work in the morning. It's 930pm... That bitch holds a regular Thursday night house party upstairs that goes till 330am... She's #hashtag millennialing.

Ethan put like 57 hashtags on this Instagram post of his breakfast... What does his half eaten omelette have to do with #Manbuns? Seriously... #hashtag millennialing!
by Seafest42 April 8, 2017
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A person who hashtags words or phrases that are extremely irrelevant to the post. Making them annoying as fuck.
Tom: Have you seen Patrick's picture of his cat?

Patrick's Instagram: Picture of his cat on a couch.
#Chevrolet #coffee #chair

Eric: Yes I have. But what do his hashtags have to do with his cat?

Tom: I don't know. He's a hashtag-imbecile.
by Elma Montt November 5, 2013
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