fag

intransitive verb fagged, fag′·ging

1. to work hard and become very tired
2. Brit., Informal to serve as a fag or servant

Etymology: < ? fag end

transitive verb

1. to make tired by hard work
2. Brit., Informal to employ (a boy) as a fag or servant

noun

1. Brit., Informal
   1. hard, tiring work; drudgery
   2. fatigue; weariness
   3. a boy in an English public school who acts as a servant for another boy in a higher form, or class
   4. a menial worker; drudge
2. ☆ Slang a male homosexual: a term of contempt and hostility

noun

Now Chiefly Brit., Informal a cigarette

Etymology: < fag end