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."
Person 2: "Oh hell naw bitch i dont need no Flinstone Vitamin I took a One a Day Mens."
by FlowGunner September 18, 2024
Get the Flinstone Vitamin mug.A peculiarly strong performance enhancing drug that is most commonly used to allow men more “rounds” in bed
by Quarantine_boredom April 14, 2020
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