A person who engages in social activism by joining different "petition" groups and installs applications dedicated to different causes on Facebook.
"The facebooktivists are out in full force protesting Facebook's new privacy features."
by nerd05 January 02, 2010
Changing the world through the power of the meme
Facebooktivist: "That infographic on sexism/racism/homophobia I shared is sure going to shake things up for the establishment..."
by tommykc123 January 26, 2014