1. rock on - Verb
2. rock on - Interjection
rock on
(informal) An expression of celebration.
The circus is coming to town? Rock on, dude!
rock on (third-person singular simple present rocks on, present participle rocking on, simple past and past participle rocked on)
(informal, idiomatic, intransitive) To party to music, especially rock, or to continue to perform any such music; to maintain a lifestyle in keeping with, or inspired by, youth rock culture.
It's a terrible thing to go through life thinking that you have a rock on your side when you haven't. Maria Callas
The buried talent is the sunken rock on which most lives strike and founder. Frederick William Faber
"Rock over London. Rock on Chicago." - Repeated at the end of most songs. Wesley Willis
That book Bible, sir, is the rock on which our republic rests. Andrew Jackson
I dropped out of high school and I couldn't go to college 'cause I wasn't smart enough, so I'd resigned myself to loading trucks and playing punk rock on the weekends. Dave Grohl
I was born in '71, so I remember bits of glam rock on 'Top of the Pops' toward the late '70s, but I had no idea what kind of world it was. I didn't like the music, either. Ewan McGregor