Top Definition
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.
#sex #bears #fat guys #cinder block #hate fuck
by Brutal mf May 21, 2011
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