This was a reference to the time the Today host made a spoonerism of then Culture Secretary Jeremy Hunt.
From the independent.co.uk
Spoonerism is a result of an affliction causing the transposition of word elements, usually in speech.
From the economist.com
Another common type of language game is the spoonerism, in which the onsets of two words are exchanged.
From the en.wikipedia.org
William Archibald Spooner, who gave his name to the spoonerism, was known for his absent-mindedness and eccentricity.
From the en.wikipedia.org
In the spoonerism, sounds from two words are exchanged or reversed, resulting in a phrase that is inappropriate for the setting.
From the denverpost.com
Quotations of the supposed spoonerism are wildly variable in detail on what was said, when it was said or even who the announcer was, but there is no evidence to confirm the truth of the story.
From the en.wikipedia.org
More examples
Transposition of initial consonants in a pair of words
A spoonerism is an error in speech or deliberate play on words in which corresponding consonants, vowels, or morphemes are switched (see metathesis) between two words in a phrase.
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 interchange of the initial letters of two words, usually as a slip of the tongue. "I think I'll go outside and get a freth of bresh air."
An accidental switch of 2 sounds with humorous effect eg 'a crushing blow' becomes 'a blushing crow'.
Swapping the first letter or syllable of adjacent or near-adjacent words, often resulting in equally valid words, e.g., "I made a spoonerism" to "I spade a moonerism".
A nonsense rearrangement of sounds within a sequence of words for humorous effect. For example: Bon Joushka. Sometimes these take as nicknames!!
The accidental transposition of initial sounds or syllables of two words, usually with humorous results, as roaring pain for pouring rain. Note: The word comes from Dr. W. A. Spooner (1844-1930), a warden of New College at Oxford University, who is said to have made many such transpositions.
Linguistic structure containing a pair of words which have interchanged initial consonants, e.g. Jober as a sludge = sober as a judge.