Poul-trees
Because North Korea's long range missiles can't reach that far
To screw in the lightbulb.
An archerd.
A root bear! (I came up with this joke a few minutes ago. I hope it's funny)
Mine would have to be Why did sally fall out of the tree? Because she had no arms. Knock knock. Who's there? Not sally.
Because she had no arms. Knock-knock! "Who's there " Not Sarah.
A pure bred meth lab.
A membrane