Definition from Wiktionary, the free dictionary
Named after the Reverend W. A. Spooner (1844–1930), who is supposed to have habitually made such slip-ups.
spoonerism (plural spoonerisms)
- A play on words on a phrase in which the initial (usually consonantal) sounds of two or more of the main words are transposed.
- The spoonerism "The queer old dean" (instead of "the dear old Queen") is attributed to Rev. Spooner.
phrase where sounds are transposed