rock mommy 

A mother figure who just happens to be a gem

"hey Steven how are your rock mommy's"

rock mommy by My PEEEEEEEEEEEEE PEEEEEE July 25, 2017

rock mummy 

rock mum-my
n. rock mummies
1. Musical performers who have aged past the apparent reasonable range for their chosen musical style.

Origin: "Rock" is the style of music in which this behavior is most widely noticed. "Mummy" describes a mummified corpse, generally of extreme age (having been popularized by ancient Egyptians).

"Seriously, Tom Petty is such a rock mummy now - I'm taking bets on whether he or one of the Stones breaks a hip first."

rock mummy by Pastymage January 30, 2009

Mummy Rock 

The music of Marylin Manson.

I dig that Mummy Rock. Mummy Rock? Yeah, you know Marylin Manson.

Mummy Rock by dead777 October 15, 2008