Bob Seger and the Silver Bullet Band. Bob Seger wrote and performed it.
brute(Noun) An animal seen as being without human reason; a senseless beast. brute(Noun) Someone with the characteristics of an unthinking animal; a coarse or brutal person. One of them was a hulking brute of a man, heavily tattooed and with a hardened face that practically screamed I just got out of jail..
Dictonary meaning of Savage is Cruel, fericous. On social media people use it when someone answers a question in a very punchy kind of manner. Sorry for my bad english.