(informal) in a beery manner; while smelling of, or under the influence of, beer
1876 Richard Whiteing - The DemocracyThe politically ambitious and the beerily dissolute artisan of whom you read in the newspapers by no means constitute all the odder varieties of the species.
1915 Sax Rohmer - The Yellow ClawHamper bent to Dunbar and whispered, beerily, in his ear . . .
1988 Dan W Smith - Silver Spoon MurdersHe belched beerily. Well, eating would have to wait.