Green’s Dictionary of Slang

jingle-jangle n.

1. (later use Irish) an argument; unpleasantness.

[UK]J. Wilson Belphegor II i: Our spouse and I have been at jingle-jangle.
[Ire]B. Behan Quare Fellow (1960) Act II: Hey, you down there, cut it out, or I’ll give you jingle-jangle.

2. (US teen) money.

[US]Chicago Trib. Graphic Section 26 Dec. 7/1: Jive Talk [...] Money. Jingle-jangle.

3. (Aus.) tension, pressure.

[Aus]P. Doyle (con. 1969-1973) Big Whatever 26: I dropped a mandy to ease the jingle-jangle.

In phrases

on the jingle-jangle (adj.)

in a state of contention.

Derby Daily Teleg. 13 Jan. 4/2: The defendant said she and the complainant were always on the ‘jingle-jangle’ but they were ‘soon friends again’.