a verbal error in which a speaker accidentally transposes the initial sounds or letters of two or more words, often to humorous effect, as in the sentence you have hissed the mystery lectures 斯本内现象,首音互换(常产生幽默效果)
语源
early 20th cent.: named after the Revd W. A. Spooner (1844–1930), an English scholar who reputedly made such errors in speaking