[spoo.ner.ism] n [William A. Spooner d. 1930 Eng. clergyman & educator] (1900): a transposition of usu. initial sounds of two or more words (as in tons of soil for sons of toil)
SPOONERISM
Meaning of SPOONERISM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012