Me: why Him: Timmy has no arms. Knock knock. Me: Who's there Him: Not Timmy.
It cost an arm and a leg
A Rottweiler on a children's playground.
Because when people fall off of 'em, they yell AAAAAAAAAAAAAAAAAALLLLLLPPPP!!!!!!!!
Ouch! I Hermione!"
A. Because she has no arms. Q. Knock knock *who's there * A. Not Alice...
She got hit by a bus. Why did Sally fall off the swing? She lost her arms when she was hit by a bus. Why did Sally not get back on the swing? She also lost her legs. Knock knock Who's there? Not Sally. What did Sally get for Christmas? I don't know, she couldn't open it.
Because she had no arms. Knock Knock Who's there? Not Sally :)
Instead of 'knock knock', they say, 'Arrr you there !'
Everywhere
Because Bill threw a mattress at him.