Definitions by Hashtag Failer

flashtaging 

Someone who over hashtags their tweets on Twitter to gain more exposure.

most #underrated #britpop band, without question: #supergrass #fuckyou #thingsweneedtochange

"I have to unfollow Steve on Twitter. I am sick of his flashtaging. I can't even get through a message with only 120 characters."

flashtaging by Hashtag Failer September 2, 2011