⇨ syrup of fig; syrup of figs; syrupnoun a wig. Rhyming slang. Syrup of figs is used as a laxative. Noted in use among criminals by David Powis, The Signs of Crime, 1977; as a showbusiness term by Red Daniells, 1980, and in wide and general use by Ray Puxley, Cockney Rabbit, 1992 UK, 1977