slang. Short for SUPER sb.
1824. in Spirit Publ. Jrnls. (1825), 309. A youthful supernumerary compositor, or gentleman supe in a printing establishment.
1885. J. K. Jerome, On the Stage, 59. The other set, the regular bob (sometimes eighteenpence) a-night sūps.
1903. Farmer & Henley, Slang, Supe, the superintendent of a station.