A knot or coarse part in cloth. [Obs.]
1. To become weary; to tire. Creighton withheld his force till the Italian began to fag. G. Mackenzie. 2. To labor to wearness; to work hard; to drudge. Read, fag, and subdue this chapter. Coleridge. 3. To act as a fag, or perform menial services or drudgery, for another, as in some English schools. To fag out, to become untwisted ...