fag /fæɡ/ BrE AmE noun [countable]
[ Sense 1: Date: 1800-1900 ; Origin: fag end ]
[ Sense 2: Date: 1900-2000 ; Origin: faggot ]
[ Sense 3,4: Date: 1500-1600 ; Origin: Perhaps from ⇨ ↑ flag 2 ]
1 . British English informal a cigarette
2 . American English taboo informal a very offensive word for a ↑ homosexual man. Do not use this word.
3 . be a fag British English informal to be a boring or difficult thing to do
4 . a young student in some British ↑ public school s who has to do jobs for an older student