Green’s Dictionary of Slang

chute n.

[1940s+] (US) the rectum or anus.

In phrases

down the chute (adj.) [SE chute, a narrow passage through which animals are driven for branding, shearing etc.]

1. [1930s-50s] (Aus. Und.) found guilty in court and thus imprisoned.

2. [1950s] (Aus. Und.) in fig. use, following the ‘road of crime’.

up the chute (also up the shoot)

1. [1930s+] (Aus./N.Z.) useless, worthless, failed, in serious trouble.

2. see up the pole adj.2