A short one that might take a while...

[thehollowmen]

Q. What is the difference between a Baker and a Knight.

A. One darts into the foe the other......... makes bread.

And if you don't get it, start making spoonerisms

[McJim]

Very good, very clever, not a bode of lollox after all...

I'd still rather have a full bottle in front of me than a full frontal labotomy.

[Sketchy_Racer]

I COMPLETLY miss the point?

[Virago]

I COMPLETLY miss the point?

To get it you have to be a Shining Wit.........

[Coyote]

I COMPLETLY miss the point?
http://en.wikipedia.org/wiki/Spoonerism

Switch the first letters of darts and foe....

[Virago]

......and the difference between a counterfeit dollar, and Victoria Beckham?

Well, one's a phoney buck........

[Colapop]

I thought it was f ?

[James Deuce]

Doe: a deer, a female deer.

Dough: stuff a baker farts into.

[Swoop]

This may explain how the "bubbles" get into swiss cheese...:gob: