Hashtag wanker 

Someone who continually uses a "#" before the majority of words that they type on a social networking site.

"#awesome #new #haircut"
"Hashtag wanker."

Hashtag wanker by Melissage February 1, 2013

triple hashtag wanker 

A specific type of wanker who constantly uses three hashtags in every Twitter post.

I just can't read Andy's posts. He is a totally a triple hashtag wanker. #completely #a #wanker

triple hashtag wanker by ChiefPoof May 27, 2016