1. the opposite of da frontside. da backside is a sexual position, and one of choice for men working at the depot. getting a piece of tail is never considered complete without "doing her from da backside".
Jim "Piece of tail on da weekends?"
Phil "Could be."
Jim "Do 'er up from da backside?"
Phil "Sure did."
Phil "Could be."
Jim "Do 'er up from da backside?"
Phil "Sure did."
by Julian December 6, 2004
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