rock on
Upper Intermediate (B2)informal
Keep going! / That's awesome! — used to cheer someone on.
"'Rock on!' the crowd shouted as the band took to the stage."
Hear it in context

Trapped With 100 Mystery Buttons (Ft. Deji)
KSI · 61:47
Rock on.

I Erased to Save People’s Lives
BriannaPlayz · 1:49
Rock on.

iPhone 17e - TIPS, TRICKS & HIDDEN FEATURES!!
Hayls World · 7:28
Rock on.

Who is Hungary's Peter Magyar and what does he want?
DW Podcasts · 41:34
Rock on, then.

Cooking Veggies On The Barbecue | Jamie Oliver
Jamie Oliver · 13:45
So, rock on rock.