To switch sides
To get to 10.
Because he was a dirty double-crosser!
To get some quack
A hemogoblin. I came up with this during lecture after a dyslexic moment, thought someone may like it.
The "spaghetto"
Because when they immigrated from Italy, customs stuck a label on their lapel reading ToN.Y.
Neither. France surrenders and Italy switches sides.
The drummer is drooling equally from both sides of his mouth.
A: It takes two. One to change the bulb and the other to kick the switch.
A mormoff!