When it falls to the ground, it knocks the 'ell out of it.
Egypt.
Eric Clapton wouldn't let one fall out the window
Because a black ball knocks over white pins with red necks.
Swim down and knock on the hatch. (In Sweden we have a running tradition of telling jokes about stupid norwegians. They do the same about swedes)
Snoop Log
Because she had no arms. Knock-knock! "Who's there " Not Sarah.
They're grounded.
One, but you can be sure a whole Reddit community will appear to expand the joke, make it funnier and eventually run it into the ground.
Because nobody would drink it if it was called nut juice.