nonsense verse
noun [ U ] uk/ˈnɒn.səns ˌvɜːs/ us/ˈnɑːn.sens ˌvɝːs/
胡话诗（运用诗人自造词的诗）
poems that use words a writer has invented
"Brillig" is a made-up word used in a piece of nonsense verse by Lewis Carroll. Brillig 是刘易斯‧卡罗尔在一首胡话诗中使用的自造词。