Because she can't fit into D shells
Law-suits
A very worn-out thuper hero. (An excerpt from Brother Time and the Turtle: More Excuses for Jokes: )
None because ice cream doesn't have bones.
All of them.
He was just chasing tail.
Because B-shells are too small, and D-shells are too big.
She grew out of her b-shells.
Because D shells are too big and B shells are too small.