Not just a kind of music. Rock and Roll is also an adjective and an adverb.

as an adjective
Iggy, those are some rock and roll shoes you’ve got on!” (Iggy’s shoes are kick-ass).

as an adverb
Iggy, are we going to the party?”
Rock and roll!” (yes)

NOTE: It’s said more like “rockenroll” than “rock . . . and . . . roll.”