You can unscrew a lightbulb.
You can't make a paper aeroplane out of an elephant!
Eric Clapton wouldn't let a bag of cocaine fall out the window. EDIT: Damn it he was four
Oh well, I'll figure it out later.
Just one, but they have to do it during dinner.
Kermit the frogs middle finger.
The polar bear..
Because she had a pun in the oven!
A pregnant woman is in Labour