1 definition by KatiieAbs

Describes when someone on Twitter over-uses hashtag's in their tweets.

A person would use it to inform some-one else that they have used too many hashtags in a tweet.

Hashslags are often new to twitter, just having moved from facebook, and get over excited easily by the fact that they can now hashtag.
*On Twitter*

Person 1: #MeganFox is a #sexy #beast

Person 2: dude, what's with all the hash-tagging?

Person 1: #calmdown it's #twitter man! #becool #chillax

Person 2: *cough* hashslag

Person 1: ¬_¬

Person 2: ...
by KatiieAbs April 3, 2012
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