Green’s Dictionary of Slang

pushed adj.

also pushed out
[one of many words associating physical violence with drunkenness]

drunk.

[UK]Farmer & Henley Sl. and Its Analogues.
[UK]‘William Juniper’ True Drunkard’s Delight 226: Our tippler may further be [...] pushed.
[US]E.E. Landy Underground Dict. (1972) 156: pushed out [...] Drunk.