What goes ooo ooo ooo?
A cow with no lips.
What makes two medical opinions seem contradictory?
What's a science teacher's favorite type of tree?
What's a bug's favorite Frank Sinatra song?
What did the raspberry say to his valentine?
Why is grass so dangerous?
Why did the frog have a long face?
What do you call a stationary flamingo?
How do you know when a ship isn't having fun?
What do you call a car that's always thirsty?
What do you call a boomerang that doesn't come back?