Green’s Dictionary of Slang

Brahms (and Liszt) adj.

also Mozart and Liszt
[rhy. sl. = pissed adj.1 ]

drunk.

[UK]Daily Tel. 17 Sept. n.p.: Brahms ’n’ Liszt = inebriated.
[UK]Galton & Simpson ‘Man of Letters’ Steptoe and Son [TV script] I was a wee bit Brahms and Liszt.
[UK]F. Norman Too Many Crooks Spoil the Caper 36: A geezer is entitled to get Mozart and Liszt an’ ’ave a giggle nar an’ agin, ain’t ’e?
[UK]C. Fitzpatrick ‘Gower ’98’ on Sussex University Canoe Club [Internet] Well in the rub-a-dub-dub we all got Brahms and list, some more so than others.
[Aus]Pete’s Aussie Sl. Home Page [Internet] Brahms and Liszt: pissed (drunk).
[UK]B. Dark Dirty Cockney Rhy. Sl. 29: It’s my birthday so I can get as Brahms as I want to.