The joke is simply referring to "Rudolph the Red Nose Reindeer," one of Santa's reindeer that has a bright red nose to help light the way. Those decorations wou

The joke is simply referring to "Rudolph the Red Nose Reindeer," one of Santa's reindeer that has a bright red nose to help light the way. Those decorations would also be referring to Rudolph. https://en.wikipedia.org/wiki/Rudolph_the_Red-Nosed_Reindeer https://en.wikipedia.org/wiki/Rudolph_the_Red-Nosed_Reindeer