A flat note.
Becka the bus is the best place to sit !
A potato wedge! (I made this up when I was 9)
Tulips on your organ EDIT: This blew up. (No pun intended)
You can tuna piano, but you can't piano tuna. ... What about the pot of glue I knew you'd get stuck.
Frostbite.
He couldn't fit in the elevator.