"Once was a man from Nantucket,
Whose accents were quite afflicting;
He always said 'white' as 'wite',
And 'night' as 'nite'."
In this joke, the man hails from Nantucket, an island off the coast of Massachusetts. The humor lies in the fact that his accent causes him to pronounce certain words differently, specifically "white" as "wite" and "night" as "nite." The unexpected pronunciation adds a comical element to the joke.
Over time, variations of this joke have emerged, with the man's origin changing to different locations while maintaining the same pattern of mispronunciation. For instance, instead of Nantucket, he might be from Birmingham, pronouncing "bath" as "baff" and "path" as "paff."
The amusement in this joke stems from the unexpected and humorous twist introduced by the individual's peculiar pronunciation, making it an enduringly popular light-hearted anecdote.