subs. (colloquial).The act of passing; an evasion; a deception. TO GIVE ONE THE GO-BY = to cut; to leave in the lurch. Cf., CUT (subs. sense 2, verb. sense 2).
1876. C. HINDLEY, ed. The Life and Adventures of a Cheap Jack, p. 214. When we came in contact with a travelling bookseller we could GIVE HIM THE GO BY with our library!
1892. R. L. STEVENSON, Kidnapped, ch. ix. She GAVE US THE GO-BY in the fogas I wish from the heart that ye had done yoursel!
1892. Salas Journal, 25 June, p. 194. Now can you understand how it is possible, and, I think, expedient, TO GIVE politics THE GO-BY, so far as one conveniently can?