It can knock the popcorn off of the ceiling!
The secret knock is knock knock, knock knock knock knock
The first occurrence of the multiple repeated knocks appears in Series 1 Episode 10 - The Loobenfeld Decay:Sheldon: (Knock, knock, knock, knock) Leonard, (Knock, knock, knock, knock) Leonard, (Knock, knock, knock, knock) Leonard...Sheldon: (Knock, knock, knock, knock) Penny, (Knock, knock, knock, knock) Penny, (Knock, knock, knock, knock)Penny, (door opens) Good morning.
Scrape, refloat.
Knock knock. Who's there? Banana. Banana who? Knock knock. Who's there? Banana. Banana who? Knock knock. Who's there? Banana. Banana who? Knock knock. Who's there? Orange Orange who? Orange you glad I didn't say banana?
knock knock knock sock of ock ock ock my clock clock clock is taping for the knock knock knock
*Knock Knock "Who's There?" ''Banana'' "Banana Who? *Knock Knock "Who's There?" ''Banana'' "Banana Who? *Knock Knock "Who's There?" ''Banana'' "Banana Who? *Knock Knock "Who's There?" ''Orange'' "Orange Who?" ''Orange you glad I didn't say banana''
No, knock is a noun (a knock on the door) and a verb (to knock on the door).
Here is a knock knock bison joke: Knock Knock. Who's there? Bison. Bison who? Bison girl scout cookies.
Knock Knock - song - was created in 2003-09.
knock knock, whose there "FBI OPEN UP" "fbi open up" who? OH WAIT RUNNNNNN
Knock Knock - Who's there? - The IRS. We are taking your house.' Another is 'Knock Knock - Who's there? - Stalin. - Stalin who? - Stalin for time!'