I love "You can call us Aaron Burr by the way we droppin' Hamiltons" (here's the full lyrics)
Ironically, this parody gives me a better appreciation for real rap. With some of the rhymes I was like, "hey, that's really clever."
(Here's an essay on why it's funny instead of insulting/stupid.)
Best. Christmas. Lights. Ever. (via Jarrett Wold)