v. [UN-2 7 and 6 b.] a. intr. To grow out of boyhood. b. trans. To divest of boyishness; to make a man of.
1611. Florio, Sgarzonare, to become from a boy to a man, to vnboy, to vnlackie.
1647. Clarendon, Hist. Reb., VIII. § 179. He began to say that it was now time to unboy him, by putting him into some action and acquaintance with business.