1) Chugalug 2) Draft 3) Draft in a pub 4) Draught 5) Drink 6) Drink deeply 7) Drink heartily 8) Get down with gusto 9) Hearty beer 10) Hearty draft 11) Hearty drink 12) Nectar, to the gods 13) Potation 14) Real thirst-quencher 15) Satisfying drink 16) Take a stout swallow 17) Tipple Found on https://www.crosswordclues.com/clue/quaff
Quaff intransitive verb To drink largely or luxuriously. « Twelve days the gods their solemn revels keep, And quaff with blameless Ethiops in the deep.» Dryden. Found on http://www.encyclo.co.uk/webster/Q/3
Quaff transitive verb [ imperfect & past participle Quaffed ; present participle & verbal noun Quaffing .] [ For quach , from Gael. & Ir. cuach a drinking cup; confer Latin caucus a drinking vessel. Confer Quaigh... Found on http://www.encyclo.co.uk/webster/Q/3