A term used to describe a soccer ball that is over inflated, and furthermore the act of heading such a ball. Typically dreaded and quite painful on behalf of the recipient.
Friend 1: "That ball's mad hard!"
Friend 2: "Yep, its a flintstone."
by mf21 November 08, 2017
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1. A secret code word referring to those with a darker complexion than all others
Q : "What would you call the Flintstones if they were black?"

A : Niggers.
by Not actually racist dude September 12, 2021
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Being in the middle of a task at work and just dropping it and leaving the minute your shift ends.

(In the first 10 seconds of the Flintstones intro, Fred is busy lifting a rock out of the quarry, but as soon as the whistle blows he's out of the quarry and into the car)
"Never give him a task that takes more than 15 minutes at 4:45, because he'll be flintstoning on out of here at 5:00."
by Kayurastar January 27, 2017
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The act of shoving your head up someones rectum whilst having sex.
Dian- Yea chad he just flipped me over and just started flintstoning me.
Susan- Oh my god are you okay that must've hurt you're poor ass.
Dian- You haven't lived till hes done that to you.
by analboy 99 November 12, 2017
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Fred Flintstone, or Fred, is a placeholder name for any man whose name you do not know that fits the following requirements:

Has a temper, impatient, womanizer, macho, overweight, hair is thinning, five o'clock shadow, blue collar, has a favorite bowling ball, mows the lawn three times a week, at least forty years of age, doesn't do "women's work", says words like "gizmo", "gadget", "reefer", and MonDEE, quotes Andrew Dice Clay five times a day, is homophobic, right-wing, listens to Bruce Springsteen and The Beach Boys, reads the periodicals, has a skin tag, watches the local news, has a landline phone, wife is a red-head, has a friend named Barney, daughter brought home a foreigner. NOT TO BE CONFUSED WITH Hank Hill, Charlie Brown, or Homer Simpson.
Neighbor: Hey you! Stop all that swearing while you're outside! There's ladies here!

Guy: No problem Fred.

Neighbor: What was that!!!?

Scenario 2

Co-worker: If that yuppie intern keeps smart mouthing me, I'm gonna give him a knuckle sandwich!

Guy: Hey! Calm down Fred Flintstone. He's just a kid.

Co-worker: How many times do I have to tell you? My name's not Fred... WILMAAAAAAA!!!
by pablo2by4 April 23, 2016
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Walking around with a whole ham while wearing a long tshirt and no pants. May substitute half rack of ribs or leg of mutton if necessary. See also shirtdicking.
Got kicked outta honey baked ham for Fred flintstoning at the display case.
by S0lidSnak3 September 13, 2021
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