when you tuck your testicles back just like a bulldog or whatever you wana call it but you also stretch your penis back where its supposed to be with your nuts still tucked and the penis is so over stretched its bright red and it resembles rudolph the red-nosed reindeer.
When you take a white light bulb and stick it in a woman on the rag and then you plug it in.
He gave his girl a rudolph the red-nosed reindeer lastnight!
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!"