When you use pictures of women in bikinis on Facebook in order to masurbate. Often times done at work where the porn sites are blocked.
Guy 1:Hey, I'm gonna go Mastur-book in the bathroom.
Guy 2: To who?
Guy 1: Lisa. She just added some super hot Panama City pics.
Guy 2: To who?
Guy 1: Lisa. She just added some super hot Panama City pics.
by yamitl May 14, 2011
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