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1.
Pronounced: Fash-tag
The process of pointlessly using a hashtag on facebook even though it serves no real purpose.

Someone whom fashtags often could be reffered to as a fashtagger or dickhead.
Facebook friends status:
Omg, I had such a radical time at the partay, lols. So much funnsies. Gettin hammered wiv friends #yoloright

*thinks to self* freakin Fashtaggers...
by TheCapedCrudeSayer August 16, 2012