Bustin Jieber

A game played by the following rules:

• Replace the first letter of the first word with the first letter of the second word.
• Replace the first letter of the second word with the first letter of the first word.

It is usually played with pop songs or pop figures:

So, "Justin Bieber" would be come "Bustin Jieber"

Other examples:

• "Duran Duran" would become "Duran Duran"

“A spoonerism is an error in speech in which corresponding consonants, vowels, or morphemes are switched (see metathesis) between two words in a phrase. These are named after the Oxford don and ordained minister William Archibald Spooner, who was famous for doing this.”