It was a work of friction.
Interactive Joke of the Day Mug
Coffee Mug
There was too much friction.
The Lizard of Oz !
A clamboni driver!
In the non-friction section.
A: Because she was in the non-friction section.
Slow down and use Lubricant.
Tartar sauce!
Teacher: Why is your paper blank? Student: Sometimes silence is the best answer ! :D :D
She fell out of the tree.
Dominoes. Falling one at a time.
You give her a shovel and tell her to get to work.
A doctor.
Because it says "concentrate"
Pulp friction.
A. Because they don't have balls to itch.