what is grandma got run over by a reindeer about

"Grandma Got Run Over by a Reindeer" is a humorous song written by Randy Brooks and performed by Elmo Shropshire and Patsy Trigg in 1979. The song tells the story of a family gathered at Christmas when they hear a knock on the door and discover that their grandmother has been run over by a reindeer. The reindeer, who is drunk, has mistaken Grandma for a mailbox. The family is shocked and worried, but they also find the situation amusing. The song became popular and has been covered by many artists over the years.