Ask at the forum if you have an Ancient or Modern Greek query!
drain (a cup): P. and V. ἐκπίνειν (Plato, symp. 214A and Sophocles, Fragment), Ar. ῥοφεῖν.
quaff a drink: P. and V. ἐκπίνειν (Dem.), Ar. and V. ῥοφεῖν, ἕλκειν, V. σπᾶν, ἀνασπᾶν, Ar. ἐκροφεῖν; see drink.