Most people think an octopus has 8 legs.
Actually, they have 6 legs and 2 arms. How can you tell which are the arms?
Hit it on the head. The two that go up to the head when he says "Owwww" are his arms.
How does a prostitute make more than a drug dealer?
Because she can clean her crack and sell it again.
What's big, green, has four legs, and if it falls out of a tree, it can kill you?
A pool table.