rock blocker 

any person or persons such as a parent, grandparent, religious group, etc. that prevents one from listening to or participating in rock music in any of its forms.

Dude: That song on the radio is pretty good. Who sings it?

Lame: That song is by Alice in Chains. Don't they worship Satan? Why don't you listen to some gospel music?
turns off radio

Dude:What a rock blocker...

rock blocker by mr.benzedrine July 3, 2009

Rock Blocker 

Dating someone with an aversion to the institution of marriage or the idea of getting married.

He had once had beautiful dreams of his ceremony until he started dating the Rock Blocker.

Rock Blocker by Reddeadroses May 21, 2019

Rock Blocked 

When you're really jamming out and someone like your parents or a teacher shuts it off unexpecctedly.

"Dude, my parents totally rock blocked me last night while I was listening to Lynrd Skynrd."

Rock Blocked by diceccon August 3, 2009

Rock blocked 

A term used while skating that describes when a rock jams your wheel

Fuck, I scraped my knee after getting rock blocked.

Rock blocked by LightNaCl February 7, 2022

rocklocker

someone that says that are going to do something and they don't do it.

He always says he is going to meet us out, but he's a rocklocker...he never shows up.

rocklocker by dee969 July 26, 2010