Green’s Dictionary of Slang

1. (Aus.) the stomach [= belly].

1915

Sun. Times (Perth) 5 Sept. 8: I got kinder sick of him and dotted him a dinnyhaser in the custard and jelly.

2. television.

1969		S.T. Kendall Up the Frog.
1971		J. Jones Rhy. Cockney Sl.
2002		D. Shaw ‘Dead Beard’ at www.asstr.org 🌐 Listen, if Lingers was anymore upfront about wanting you son and daughtered, he’d be running ads on the custard and jelly in prime time.