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1.
Also known as jeans...but not ordinary jeans. Denim shackles usually appear while having sex standing up and your pants are around your ankles, binding you much like leg shackles.
Guy 1: "Dude, I was about to bone my girlfriend when I tripped over these denim shackles and she was like 'there is no way'."

Guy 2: "Dude, that blows!"
by The Dokester March 21, 2010