spoonerismn.

1900 Globe 5 Feb. To one unacquainted with technical terms it sounds as if the speaker were guilty of a spoonerism.

1923 Notes & Queries 27 Oct. 331/2 In my childhood..an old cousin used to entertain me with what we now call spoonerisms, but which she termed morowskis…Her mother (who dated from the eighteenth century) had taught her the game, stating that the original perpetrator of these strange transpositions was a Polish Count, who was well known in London society of that period.

1976 Oxf. Diocesan Mag. July 15/1 I am not going to put on any weight until I'm fifty, when I shall allow myself to become matronly, ready to be a follower of ‘soda and gobbly matrons’, as enjoined by the marriage service. (A good Spoonerism that, created quite involuntarily by my mother some years ago.)

1923 A. Huxley Antic Hay xx. 284 When pain and anguish wring the brow, an interesting mangle thou, as we used to say in the good old days when the pun and the Spoonerismus were in fashion.

1927 Daily Express 22 July 7 Zoojolical Gardens... But why not let the misprint stick? The Zoo gardens are ‘jolical’ gardens, and probably the London Zoological Society would have no objection to them being spoonerised as such.

1974 V. Nabokov Look at Harlequins (1975) ii. v. 101 Only a lunatic would have chosen a pair of third-rate publicists to write about—spoonerizing their names in addition!

1972 D. W. Bahlman in E. W. Hamilton Diary p. xxv The Herbert family, Hamilton, and other friends..called themselves the Bilton Waggers, a Spoonerized version of Wilton Baggers.