The act of sticking your big toe in her pussy
He yabba dabbba doo’d her and Fred Flinstone ‘D her.
The most prominent character in hentai.
Brooo I just saw Fred Flinstone doing your mom on that deviantart site!
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."