When a guy with a huge dick pulls away while his girl is on her knees blowing him and he starts swinging his big prized cock across her head, just like a prehistoric caveman would whack his woman on her head with his caveman club.
I Fred Flintstoned my bitch on her head last night...yabba dabba doo.
After I pulled a Fred Flintstone on my chick, she saw stars all night long.
Lucky my girl got no bruises on her head after I Fred Flintstoned her or I be arrested for domestic violence. shit.
One who makes your bed rock, i.e. they are amazing in bed
Girl: I hear you're great in bed Guy: This is true, my room is the G-spot, call me Mr. Flintstone, I can make your bedrock.
Girl: Let's fuck....right now