Definitions by Brutal mf

Cinder blocking 

When a fat man slams his stomach on the top of a male or femals head while recieving a blow job.

Hey jed, dont't you know that bears love it when your cinder blocking them!

Shit! Im sorry Jenn! I didn't mean to tell everyone about me cinder blocking you into a coma.

Cinder blocking by Brutal mf July 9, 2011