What is to act as a fag, or perform menial services or drudgery, for another, as in some English schools. To fag out, to become untwisted or frayed, as the end of a rope, or the edge of canvas called?

fag — To act as a fag, or perform menial services or drudgery, for another, as in some English schools. To fag out, to become untwisted or frayed, as the end of a rope, or the edge of canvas. (Webster's 1913.)