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When an assemblage of teenage girls (not necessarily friends) go on a hike for the purpose of taking "cute" pictures and putting them up on Facebook. The Facebook community is then bamboozled into thinking that these girls have exciting and adventurous lives.
Sue: OMG! Did you see these adorable pictures of Therese and Brooke, they look like they are having so much fun!
James: Don't trip girl its just a Facebook Hike.
by JumpinBilly August 13, 2010
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