What is the best representative rock song of all time?

I don't mean the best as in a really great song that happens to be rock (to throw out a decent indisputable rock song, Animal by Def Leppard), but I mean what is *the* song that makes you crinkle your nose, lift your devil horns, pump your chin, desperately hope to see ies, and scream in your head "let's rock f**kers!"