1 definition by Tyrannosaurus Rex

Acting like a T-rex in unusual or public places in order to create a Facebook-worthy photo. Invented on June 23, 2011 in South Florida.
Angeli: Dude, did you see the pics of me rexing on the edge of that building?
Victoria: Yeah, they were way cooler than the ones of me planking.
Lindsay: Rexing > planking.
by Tyrannosaurus Rex June 25, 2011
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