Why can't you do a Math test in the zoo?
Because there are too many Cheetahs!
What do you get when you cross a cow with a cat?
A: Cowacat
B: Mooore
C: Cowacatfood
Q: What do you call a zombie with no mouth?
A: Useless.
What do you call a kid in a wheelchair on fire?
Hot Wheels.
How do you kidnap Stephen Hawking?
Shut off his computer.