⇨ elephant's trunk; elephant trunk; elephant's; elephantsadjective drunk. Rhyming slang, influenced by the pink elephants that only drunks can see UK, 1859
idiomelephantssee pink elephantsdrunk a humorous expression meaning to see things that are not really there, because you are drunk:You shouldn't have had that last pint, should you? You'll be seeing those pink elephants again.