I am so immature - I thought this song was the funniest thing I'd ever heard when I was 15...and it still cracks me up. It's not just the awfully crass lyrics, it's the passion he sings them with.
I am so sorry. Need I say that this is NOT SFW? Don't listen to it at work. Don't show your mother. Please don't judge me! XD
Click to view
also - this gives me the giggles;
Click to view