In the 1800s, Rev. William Archibald Spooner coined the term "spoonerism" to describe the flipping of initial letters of word pairs or phrases. His coinage for the verbal slip we all make periodically brought attention to some fun phrasings. The following are attributed to Spooner:
We'll have the hags flung out! (flags/hung)
Our shoving leopard (loving/shepherd)
You've tasted two worms (wasted/terms)
You hissed my mystery lecture (missed/history)
Before I knew what they were called, I liked to say:
I'm going to shake a tower!
Some folks refer to the "whole fam damily", which I would never do. Others refer to themselves as "smart fellers", which is yucky. I do like these, though:
Go help me sod
Hit my bunny phone
The lead of spite
And, of course, if you do it right, A Tale of Two Cities takes on a completely different feel.
I'm interested in your favorites, and encourage you to check out one of the Kings of contemporary spoonerism, Bill Strauss, one of the founding members of the Capitol Steps.