If you're still confused about what exactly constitutes sideboob, you're about to get even more confused.

The important thing to remember, though, is that sideboob isn't just reserved for female celebrities. A lot of things can show off that oh-so-sexy sliver of skin. Seriously: old men, cookies, babies, even celestial bodies... You name it, it can and probably has shown some sideboob at some point.

Don't believe us? If you really want proof, just check out these 21 examples of other things showing sideboob below.

Loading Slideshow...
  • Babies

    Never too young for sideboob.

  • Elderly Gentlemen

    Cover up, dude!

  • Double Stuf Oreos

    Tough to keep all that frosting from popping out, but still.

  • Sculptures Of Greek Gods

    Can somebody please throw a shirt on that statue of Artemis, Goddess of the Hunt?

  • Dogs

    Precisely why they make dog sweaters.

  • Ice Cream Sandwiches

    No need to show that much ice cream.

  • Gorillas

    Gorillas should really know better.

  • Books

    Really, paperbacks?

  • Tacos

    C'mon, no one needs to see that.

  • Grilled Cheese Sandwiches

    So shameless.

  • Cats

    Need some more fur in that area.

  • Macarons

    Cover up that creme.

  • Basketball Players

    Undershirts can do wonders for covering all that up.

  • Cheesesteaks

    The steak is practically busting out of that bread.

  • Skyscrapers

    Some pretty blatant sidebuilding there.

  • Moons

    Earth's moon caught showing some surface here.

  • Beards

    Michael Fassbender got caught showing some major sidebeard on the red carpet.

  • iPhones

    You can definitely see those volume buttons.

  • Presidents Of The United States Of America

    Even the leader of the free world is not immune to occasional sideboob.

Also on HuffPost: