To utter, to publish.
1849. There is the writing of one who tried to get off, as the boys say, something comic on every occasion.Yale Lit. Mag., xiv. 187 (Feb.).
1853. When we pitched into the editorial business we thought it was a very small matter to get off a magazine.Id., xix. 156 (Feb.).
1858. Have you a good set of teeth, which you are willing to show whenever the wit of the company gets off a good thing?J. G. Holland, Titcombs Letters (1873), p. 58. (N.E.D.)