fagged out and eager as she was, she had not come to the point of forgetting what a great forest-fire meant.
fagged as he was, the air was electric, and he had everything to see.
fagged out as they obviously were they tried to smile at the reply one made.
"to droop, decline, tire," 1520s, apparently an alteration of flag (v.) in its sense of "droop." Transitive sense of "to make (someone or something) fatigued" is first attested 1826. Related: Fagged; fagging.
British slang for "cigarette" (originally, especially, the butt of a smoked cigarette), 1888, probably from fag-end "extreme end, loose piece" (1610s), from fag "loose piece" (late 15c.), which is perhaps related to fag (v.).
: frenetic hot-rhythm dancing, the cheap fag jokes/ like a fag party
(also fagout) To fatigue; exhaust •The sense ''to study hard, go without sleep,'' is attested in Cambridge University slang by 1803: This sort of work fags me quickly (1930+)
[origin unknown; the ''homosexual'' sense may be connected with the British term fag, ''the boy servant, and inferentially the catamite, of a public-school upperclassman''; perhaps influenced by Yiddish faygele, ''homosexual,'' literally ''bird, little bird'']