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the ideology for people who who want to appear to be doing something for a particular cause with out actually having to do any thing.

The individual being a Slacktavist
A great form of slacktavism is changing your facebook picture to support a cause with out actually doing anything that will make a difference. You are one great slacktavist.
by 1ofakindnz December 05, 2010
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2
The action of pretending to perform a cause, usually via posts over social media, yet not actually caring for nor doing the cause that you're promoting.
#PrayFor is slacktavism used by housewives or brain-dead teens who think that it's "deep" or "hip" to litter all over some famous person's page to make them seem like good people.
by Zeltzamer July 26, 2018
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