It ain't easy being a woman.

That's what the man at the center of this video learned firsthand. He put on a pair of tight leggings and leaned over the trunk of his car to see how many guys walking by would check out his keester, thinking he was actually a woman.

Well, the joke was definitely on these guys, who were stunned -- and angry -- when they realized they'd been duped.

The moral? Don't judge a book by its cover -- or, in this case, its back cover.

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