What is Rudolph The Red Nosed Reindeer?
1.
when a guy goes down on a girl while she's on her period, and a lil blood gets on his nose, hence "rudolph the red nosed reindeer." Also known as giving someone a rudolph.
"WTF ho?!" "Sorry baby I didn't mean to give make you rudolph the red nosed reindeer!"
"She didn't tell me she was on her period, she gave me a fucking rudolph!"
See