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8.
The act of messing something up so bad to the point that it can never be fixed, such as a measurement, relationship, etc.
Awww fuck... I flintstoned it.
by Rock_You October 24, 2007
 
9.
Tongue piercing with a barbell.
Suzy: I'm going to have to eat pudding for a few days. I'm getting a flintstone tonight.

Bob: Yeah, you and everybody else. Your tongue's going to swell up like a tennis ball.
by Lane August 03, 2004
 
10.
Uncommon slang term for the word nigger. Taken from the joke, "What would you call the Flintstones if they were black?...niggers."
1. What's up Flintstone?

2. I was driving on the freeway when this Flintstone in an Escalade cut me off.
by Michael Richards December 16, 2006