Flintstone Vitamins 

A peculiarly strong performance enhancing drug that is most commonly used to allow men more “rounds” in bed

Peter: Ay Shawn ya got any Flintstone Vitamins?
Shawn: God dammit Peter, she’s still that horny?

Flintstone Vitamins by Quarantine_boredom April 14, 2020

Flinstone Vitamin 

When you commit fellatio on a female during her period while its marinated by flavored lubricant to offset the mettalic flavor, thus resembling the flavor of a Flinstone Vitamin.

Person 1: "Babe im on my period but can you eat me out?"

Person 2: "Oh hell naw bitch i dont need no Flinstone Vitamin I took a One a Day Mens."

Flinstone Vitamin by FlowGunner September 18, 2024