One of many senses absent from the OED, it is a vaudeville term, in use by the Fifties, for ranking slapstick comedians (fitting, then, for politicians' disputes). It can also mean penis, fender, football pass, aeroplane, an adaptive Asian and jaundice victim.
Some believe that Moses' grapes from the Promised Land were really bananas. Meanwhile, let us honour the great Jane Grigson by insisting on tiny ones from the Canaries. Too few are imported: excellent with gin or kirsch, not rum.