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.
by Bonny lad November 14, 2004
 Get the Brahms and Lisztmug.
Get the Brahms and Lisztmug. by Bill Cranny December 16, 2003
 Get the Brahms and Liszt (Brahms)mug.
Get the Brahms and Liszt (Brahms)mug.