Definition of Brahms and Liszt in English:
 Brahms and Liszt
adjectivebrɑːmzən(d)ˈlɪst
British informal predicative Drunk.
 Example sentencesExamples
-  During the weekend in the capital Tallinn, while getting totally Brahms and Liszt on a crawl of the bars, he bumped into (perhaps not surprising given his inebriated state) the president of the Estonian Rugby Federation.
 -  How the heck would I know, I'm completely Brahms and Liszt.
 
 Synonyms
intoxicated, inebriated, drunken, befuddled, incapable, tipsy, the worse for drink, under the influence, maudlin
Origin
  
1930s: rhyming slang for 'pissed'.