A Concussion.
Not nearly as long as it would take to travel around your mom.
Reruns
Because Burger King forgot to wrap up his Whopper
To stop themselves sinking into the sand. Why did the ostrich stick its head in the sand To look at the camels who forgot to put their sandals on.
Look for fresh prints.
Will Smith
A: So they don't get a concussion while bobbing their from head side to side as they are saying "I don't know " whenever you ask them a question.