Knock KnockWho’s there?Water skier!Water skier Posted on March 26, 2016March 26, 2010 by admin Knock KnockWho’s there?Water skier!Water skier who?Water skier’d of, I’m harmless! Spread the love Related posts: Knock KnockWho’s there?Greta!Greta who!Greta job! Knock KnockWho’s there?Franz!Franz who?Franz, Romans, Knock KnockWho’s there?Heart!Heart who?Heart who Knock KnockWho’s there?John!John who!John the