We might hang mistletoe to kiss, but don't think about eating it! Not only is mistletoe poisonous to your favorite pets like cats and dogs, but it can cause nausea and drowsiness in humans!

Elf on the Shelf is a popular Christmas toy. It's a small elf doll that you place on a shelf. The story for children goes that the elf is watching them to let Santa know if they should receive presents for Christmas.

Mean Girls" is the popular 2004 teen film starring Lindsay Lohan, Rachel McAdams, and Tina Fey. In the film, the four girls perform "Jingle Bell Rock" at the talent show with the help of the "cool mom," Amy Poehler.

In the TV special, this phrase is used to describe The Grinch. These words are used in the song "You're a Mean One, Mr. Grinch.

A Christmas Story" was released in 1983 starring Melinda Dillon and Darren McGavin. Based on the novel, it shows a young boy, Flick, get his tongue stuck on a flagpole.

There were originally eight reindeer, but then Rudolph joined the group and became their leader with his red nose!

A popular holiday song by Elmo & Patsy, "Grandma Got Run Over by a Reindeer" was released by the husband-and-wife duo in 1979.

Ebenezer Scrooge is a character from Charles Dickens' 'A Christmas Carol.' Originally, Scrooge hates Christmas before he is visited by three ghosts.

In 1990, Macaulay Culkin starred in the holiday film by John Hughes, "Home Alone." The film also starred Joe Pesci and Daniel Stern.

In the popular Christmas song, Frosty is made of "a button nose and two eyes made out of coal.