Watch this great-grandma lose it over a hunky fireman calendar

- Is it hot in here or is it just great grandma's new fireman calendar?

An 80-year-old woman was overjoyed by the sexy fireman calendar she got as a Christmas gift.

A video posted to YouTube shows Mary Ann Davis, a great grandmother to 12, making priceless facial expressions and squealing with laughter as she flips through pages of the Hamilton County firefighter calendar.

Sales from the calendar go towards the fallen Hamilton County firefighters memorial, according to the Indy Star.

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