theatre—a typical entrance or exit line given to a young man in a superficial drawing-room comedy—USA 1934—but 1908 in a short story evoking the pastimes of members of the leisured class during a stay at a country house
USA, 1871—The phrase ‘here’s looking at you’ is used as a toast in drinking. It is now widely associated with the American film Casablanca (1942), in which Humphrey Bogart addresses Ingrid Bergman with the words “Here’s looking at you, kid.”
from ‘Don’t Bogart That Joint’ (1968), song by Fraternity of Man—alludes to the way Humphrey Bogart held a cigarette for long dialogues without smoking it