One who knows how to play the saxophone, but doesn't!
or
coz Donald ducked
or
All of them.
or
Vitamin sea.
or
Glass flippers.
or
Seven. One to change it and the other six to sing about how good the old one was.
or
She has an uncontrollable craving for bologna.
or
The lawyer gets frequent flyer miles.
or
People must be dying to get in there.
or
Because the chicken was on vacation.
or