Everyone knows the grandma stereotypes--they're blue-haired, enthralled by needlework and big fans of Lawrence Welk. Grandmas are pretty easy to peg. That is, until football comes into the picture. If you take a respectable grandma who never misses a Lifetime re-run of "Murder She Wrote" and put her in a rabid pack of football fans, she'll morph into a different creature. What we're saying is football can transform a grandma from Rose Nylund to Blanche Devereaux.
To prove our point we've gathered these eight videos. Proceed with caution.