Ever since a group of U.K. ambulance workers set sirens blaring with a too-sexy fundraising calendar, we've noticed a full-fledged phenomenon of bizarre sexy calendars. It seems like there's no profession, minority group, hobbyist club or demographic that hasn't bared it all for fun or profit (or both).

So when our lady friends over at Lemondrop.com chronicled the wacky world of male calendar nudity, we knew we would find more than enough strange, sexy female calendars to up the ante. From naked clowns to sexy girls with coffins, there's more than enough weirdness to last from January to December.

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The Weirdest Sexy Calendars
Click here to see naked clowns, hunters, ambulance workers and, yes, 92-year-old models in sexy, but weird, calendars.
Underground Humor
AP
Weirdest Sexy Calendars

Weirdest Sexy Calendars

    The photos of bikini-clad babes fishing for bass are sure to "have you hooked," according to the Web site.

    beautyandthebass.com

    The controversial European airline Ryanair came out with a sexy charity calendar featuring their cabin crew.

    Daily Mail

    We're not sure we know exactly what curling is, but we applaud the sport's female participants for their upcoming nude calendar.

    Busted Coverage

    The Leicestershire-based freight network, Pall-Ex, gained an edge on shipping companies we've actually heard of when 12 female employees stripped for a charity calendar.

    e-couriernew.co.uk

    Well, it's no beauty and the bass, but ...

    womeninwaders.com

    A group of U.K. ambulance workers caused controversy with their "Bare in the Air" calendar.

    Daily Mail

    And, for the hunters, there's "Guns and Camo."

    calendardates.com

    Cisa, a funeral home and coffin factory based in Rome, Italy puts out this Sexy Coffins Calendar.

    Underground Humor

    People in the U.K. seriously love to take their clothes off -- sexy farmers, anyone?

    thefarmerscalendar.co.uk

    The Naked Clown calendar helps benefit Multiple Sclerosis (MS) research and advocacy, while also keeping us up nights.

    nakedclowncalendar.com