I think "rock 'n roll" and "rocking out" definitely have an influence on the use of "You rock". But my suspicion is that it is simply a shortening of the phrase "You rock my world!" - an exlamation of being bowled over, experiencing an earthquake at your arrival and such-like metaphors.
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
no subject
Date: 2011-06-07 02:59 am (UTC)