Any Ironic jokes like this one?

[nickername]

I'm trying to come up with ironic yet funny jokes. Any help?

Here's an example:

If money doesn't grow on trees, then why do banks have branches?

 

[undundabiha]

Why "abbreviated" is such a long word?

Why doctors call what they do "practice"?

Why you have to click on "Start" to stop Windows 98?

here's a good website- http://www.101funjokes.com/ironic-jokes.htm