Green’s Dictionary of Slang

roostered adj.

[fig. use of SE rooster]

1. (US) drunk.

(con. late 19C) ‘Cowboy Sl.’ at Ebogaard Western Center 🌐 Roostered – drunk. ‘Looks like those cowboys are in there gettin’ all roostered up.’.

2. (N.Z.) exhausted, esp. sexually.

[NZ] McGill Reed Dict. of N.Z. Sl.