This Optical Illusion Of A Girl With An Insanely Large Arm Has Twitter Confused

Nov. 18 2019, Updated 2:30 p.m. ET

There are few things more awesome than a perfectly-timed photo that captures people doing something amazing. A diver as he's about to breach the water's surface. A boxer right as she lands that knock-out punch on an opponent. The look on your dog's face right when you drop a bunch of tennis balls on the ground - you get the idea.

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But sometimes perfectly-timed photos don't just capture amazing moments; they yield some hilarious and baffling results.

Like optical illusions that leave us scratching our heads.

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Twitter user @_ellebailey uploaded this hysterical photo of her sister who went out clubbing and apparently grew an enormous arm.

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And now Twitter is very, very confused.

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People were trying to work through exactly what was going on in the picture.

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Others pointed out some juicy tidbits from the photo.

I would definitely not want to face this girl in a Skee-Ball competition.