Green’s Dictionary of Slang

nooer n.

In phrases

in the nooer [SE manure]

(Aus.) in difficulties.

1970		(con. 1941) R. Beilby No Medals for Aphrodite 88: How come you blokes blew the bridge so soon? [...] You really dropped us in the nooer, you did.
1975		B. Foley Shearers’ Poems 9: Two Kiwis left, their mother sick And took off for Rotorua Two Aussies occupied their pen Now the cockie was in the ‘nooer’ [AND].
1986		C. Bowles G’DAY 76: I'm right in the noo-er when the missus fines out. Ain’t got a cracker for the resta the week.