68 verb 2noun 1forms 3 verb2 •(slang) To have sex in the 68 position. •(informal, rare) To put an item back on the menu. noun1 •(slang) A sex position in which one partner lays on top of the other, with their genitalia facing the other partner's head, in order for said partner to perform oral sex. forms68ed · 68ing · 68s