Membered Share definition Flag Male genitalia is sometimes referred to as a member. Therefore getting membered is slang for a woman having sex with a well endowed guy. Doris was out with Ranandy last night. He is really hung and she really got membered. Membered by Little Sophie May 14, 2019 0 0 Get merch Get the Membered mug. Buy Now — $32.95 See more merch