A spoonerism is a play on words in which the initial consonants (or consonant clusters) of two words are swapped to create a humorous or absurd new phrase. Named after Reverend William Archibald Spooner, who was famous for such slips of the tongue.

Simply enter a phrase containing two or more words. The tool identifies the first two words, extracts their starting consonant sounds (the onset), and swaps them. The rest of the phrase remains unchanged. For example, "funny bone" becomes "bunny fone".

For best results, use a short phrase of two or three words. Words that start with a vowel may produce unusual results because they lack an initial consonant. The generator still swaps an empty onset with the other word's onset, which can lead to creative outputs.

Reverend William Archibald Spooner (1844–1930) was an Oxford don known for his accidental transpositions of sounds. Famous (likely apocryphal) examples include "You have hissed all my mystery lectures" instead of "missed all my history lectures".

They create unexpected, often silly or nonsensical phrases, which surprises the brain and triggers laughter. The sudden shift in meaning or sound is a classic form of linguistic humor.