To go Flintstones is when you ride somewhere in a car with two couples and the guys sit in the front and the girls in back, ala Fred, Barney, Wilma, and Betty. Some women find this arrangement to be degrading.
Hey baby, when we drive to Vegas next week, can we go Flintstones so I can talk to Chad?
by ntvnykr October 11, 2006
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The act of not wearing shoes, anywhere you go, weather it be by accident or on purpose.
"Man, I lost my sandals like a week ago, and I've been going flintstone ever since!"

"Some one barfed on my shoes @ the rave last night, I had to go flintstone till 6 am! Do you know how disgusting that was?"

My neighbor came out of his house with an uber-rib in his hand, bbq sauce on his face and no shirt. He then walked his dog down the street going flintstone. And he wonders why we all talk about him!
by MzJaDaWeSt August 14, 2009
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