subs. phr. (old).—A matter outside the ordinary run of business.

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  1772.  R. GRAVES, The Spiritual Quixote, bk. II. ch. ii. Dorothy kept the cash; and by that means kept Jerry within tolerable bounds, unless when he could secrete a tester for some BYE-JOBB; on which occasions he would sometimes elope and take his fill.

2

  A LASSIE’S BY-JOB, subs. phr. (Scots’).—The act of kind: see GREENS and RIDE.

3

  d. 1796.  BURNS, Court of Equity.

        The sneak wha’ at a LASSIE’S BY-JOB
Defrauds her wi’ a frig or dry-bob.

4