A. Because they're not supposed to cross the streams
A crab apple!
Hare spray.
Tequila
Because he didn't truss it.
He received an A+ for turning in a blank page with only his name at the top.
A. There is cheese in front of the mouse.
It was supposed to be in place last week!
This IRS guy sounded pretty into me
Your boat, gently down the stream...
Wet feet.
Sigourney "Weaver"
The mythbusters and ghostbusters.