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World War II aviator slang for "unidentified aircraft, presumably hostile," probably ultimately from bogge, a variant of Middle English bugge "a frightening specter" (see bug (n.)). Thus it shares ancestry with many dialect words, such as bog/bogge (attested 16c.-17c.), bogeyman (16c.), boggart "specter that haunts a gloomy spot" (c.1570, in Westmoreland, Lancashire, Cheshire, and Yorkshire). The earliest modern form appears to be Scottish bogle "ghost," attested from c.1500 and popularized c.1800 in English literature by Scott, Burns, etc.
in golfing, c.1891, originally "number of strokes a good player is supposed to need for a given hole or course;" later, "score one over par" (1946); from the same source as bogey (n.1), on the notion of a "phantom" opponent, represented by the "ground score." The word was in vogue at the time in Britain because of the popularity of a music hall tune "Hush, Hush, Hush, Here Comes the Bogey Man."
One popular song at least has left its permanent effect on the game of golf. That song is 'The Bogey Man.' In 1890 Dr. Thos. Browne, R.N., the hon. secretary of the Great Yarmouth Club, was playing against a Major Wellman, the match being against the 'ground score,' which was the name given to the scratch value of each hole. The system of playing against the 'ground score' was new to Major Wellman, and he exclaimed, thinking of the song of the moment, that his mysterious and well-nigh invincible opponent was a regular 'bogey-man.' The name 'caught on' at Great Yarmouth, and to-day 'Bogey' is one of the most feared opponents on all the courses that acknowledge him. [1908, cited in OED]Other early golfing sources give it an American origin. As a verb, attested by 1948.
1969, "to keep a joint in your mouth," dangling from the lip like Humphrey Bogart's cigarette in the old movies, instead of passing it on. First attested in "Easy Rider." The word was also used 1960s with notions of "get something by intimidation, be a tough guy" (again with reference to the actor and the characters he typically played). In old drinking slang, Captain Cork was "a man slow in passing the bottle."
[all senses fr bogy or bogey, ''evil spirit, hobgoblin,'' the boogy or boogy-man invoked to frighten children; the golf sense originated in 1890 when Dr Thomas Browne, a naval surgeon, compared his opponent, the ''ground score,'' to the ''Bogey Man'' of a popular song, at any rate, so it is said]
[1960s+ Black; fr the tough roles played in films by Humphrey Bogart]