1) (v) to attract, through social media, attention to political issues so important to you that you are ready to go on a crusade in order to defend said issues.

2) (n): something that, prior to the advent of the social media phenomenon, was known as a 'pound key') on your phone.
I am going to hashtag ''Mitt Romney for president'', and no i won't press the hashtag-pound key- on my phone, because it doesn't serve any purpose.
by sexydimma October 11, 2014

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The number symbol that people keep putting in front of phrases, like when they are going to do something.
Thank you twitter for starting something stupid like hashtag...
#number is really "number number"

#inmyshoe is really "number in my shoe"
#a is really "number a"
by HammedZippy January 23, 2016

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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When you are high as hell. (Red eyes,hungry as can be,everything is so funny)
"Nigga im so hashtag"
by Queenmel00 June 03, 2016

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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A symbol used excessively on social media platforms. In recent months, hashtags have been verbally used. If you speak in hashtags, you are a hashtagee. Spread the word: STOP USING VERBAL HASHTAGS
Joe: Yo look at that dude over there! He lifts 500!
Bob: Hashtag (#) Lifegoals
Joe: Wow you've gone that low.
by Noone Importantatall June 16, 2015

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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#
"What's a hashtag?"
"#"
"oh."
by bdotp August 11, 2013

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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A tagging system instagram and twitter use to make one's posts. Usually the hashtag has nothing to do with the pictures.
#nofilter #totallylegit #minecraft #selfie #nohomo #hashtag... (5500 other items hidden. Tap to view.)
by Darude- Sandstorm March 12, 2015

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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used in mainly tumblr, twitter or instagram
person: omg look at my picture, hashtag awesome swag #awesome #swag
by iloveselselselena November 10, 2013

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt