Brahms and Liszt (Brahms) 

cockney rhyming slang = pissed, intoxicated

two drinks and he was totally Brahms

Brahms and Liszt (Brahms) by Bill Cranny December 16, 2003

Brahms and Liszt 

Rhyming slang, meaning 'pissed'. Note that this is the UK meaning of pissed, as in 'drunk', rather than the American meaning of 'angry'. Is usually shortened to Brahmsed.

"Hey there, d'you want to drive me home?"
"Nah love, I'm absolutely brahmsed."

Brahms and Liszt by Bonny lad November 14, 2004