[f. FAG v. + -ING2.] That fags, in senses of the vb.
1806. T. S. Surr, Winter in Lond. (ed. 3), I. 20. He [Edward Dickens] transacted more business, and gained more thousands, than many of his fraternity who kept their country house and carriages, and left the cares of their business to sixteen careless clerks, and an idle fagging partner.
1862. Mrs. H. Wood, Mrs. Hallib., I. v. 57. I am always thin, and mine is a fagging profession.