SqueakMaan  

Just a walking down the street singing do ah diddy dum diddy do.

That's right, keep singing, soon you'll be nothing but a greasy red smear on the sidewalk. Crap, I said that out loud didn't I?

Hey, wait a sec, I thought you could never kill again.

Snopes

Just a walking down the street singing Do ah diddy dum diddy do.