Top Definition
Someone who uses Twitter obsessively and is a complete Douche about it. Someones whos tweets are consistently boring and pointless or self evaluating
Did you see Roman's last tweet? 'Roman just left the gym. Benchpressed 250. New Record! Gonna go break some hearts at the club now' That guy is such a Hashtag Douche bag
by Dannyf11 April 26, 2011
A person who uses Hash tags in literally any text they type, aside from twitter.
"I cant believe her email consisted of so many hash tags. Shes turning into a real Hashtag Douche bag"
by hambamthanxmam December 13, 2013

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