Green’s Dictionary of Slang

Ben Cartwright n.

[rhy. sl.; US TV ‘Bonanza’ character Ben Cartwright = shite n. (7)]

nonsense, rubbish.

2002		D. Shaw ‘Dead Beard’ at www.asstr.org 🌐 I can’t believe my king lears: what a pile of ben cartwright!
2003		B. Dark Dirty Cockney Rhy. Sl.