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15.
When your doing a girl from behind and you have your friend waiting outside, your friend sneaks in and quickly switches spots with you and you go outside and knock on the glass and when she turns around she sees you, who she thought was doin her outside and some random guy now currently doing her.
you shoulda seen the look of shock on that bitches face after we gave her the philly fake out.
by Tripler2k July 01, 2007
 
16.
When "The Real World" tries to shoot in Philadelphia and then pulls out at the last second, realizing how much of a mistake that would've been.
MTV's Philly Fakeout was better than the actual term for it.
by G-Union March 24, 2004