Green’s Dictionary of Slang

jewellery, often imitation.

1930		(con. 1910–20s) D. Mackenzie Hell’s Kitchen 120: Tomfoolery ... jewellery.
1943		M. Harrison Reported Safe Arrival 52: I wouldn’ be surprised if you both done a stretch fer knockin’ orf some ole bloke’s tom-foolery.
1949		Monteleone Criminal Sl. (rev. edn).
1956		‘Charles Raven’ Und. Nights 11: They’re not expecting to be turned over in the small hours and don’t bother to lock their tomfoolery away.
1968		J. Barlow Burden of Proof 132: Stealing a two-grand skin or tomfoolery.
1978		F. Norman Dead Butler Caper 34: Diamonds is certainly a character who knows a lot about ’ot tomfoolery.
1983		R. Aven-Bray Ridgey-Didge Oz Jack Lang 47: Tom Foolery Jewellery.
1998		M. Newall ‘Sir Gawayne and the Grene Knight’ in Indep. Weekend Rev. 26 Dec. 1: I’ve got a little tyckle going off with some tomfoolery.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.
2012		(con. 1980s) I. Welsh Skagboys 2004: Ah’ve fair clened up wi the auld tomfoolery, but it’s makin a jangle in ma poakits.