A Classic Posted on August 18, 2016August 18, 2010 by admin Knock knock Who’s there? Boo Boo who? Sorry I didn’t mean to make you cry. Spread the love Related posts: Knock KnockWho’s there?Sicily!Sicily who?Sicily question! Knock KnockWho’s there?Bertha!Bertha who?Bertha-day greetings! Knock KnockWho’s there?Marion!Marion who?Marion on Knock Knock 167