Fag, v. i. [imp. & p. p. Fagged p. pr. & vb. n. Fagging ]
 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 or frayed, as the end of a rope, or the edge of canvas.