Green’s Dictionary of Slang

1. (Aus.) an act of defecation [= poo n.¹ (2)].

1983

R. Aven-Bray Ridgey-Didge Oz Jack Lang 24: Danny la Rue Poo (defecation).

2. a clue, an idea, suspicion.

2000		J.J. Connolly Layer Cake 112: Shanks, I don’t have a Danny La Rue what it is you’re on about.
2002		D. Shaw ‘Dead Beard’ at www.asstr.org 🌐 So we’re walking and I’m hanging back with Monica and she knows I don’t have a danny la rue about what’s going on in her mind.

3. (bingo) the number 52.

2003

Observer 6 July 16: ‘Danny la Rue’, 52, has made way for the shoe designer ‘Jimmy Choo’.