(Before singing the song, teach the gestures for each of the creatures: Big green monster: Hold your hands up high as if they were two big claws. Scary witch: Make the shape of a witch's hat over your head with your hands. Black cat: Swipe your hand as if it were a cat's claw. White ghost: Hold your hands in front of you as though you are floating like a ghost. )
Go away, big green monster, go away. (Push your hands out, then make the monster gesture, then push your hands out again.)  GO AWAY!  Go away, big green monster, go away.  GO AWAY!  Go away, big green monster.  Go away, big green monster. Go away, big green monster, go away.  GO AWAY!   Go away, scary witch, go away. (Push your hands out, then make the witch gesture, then push your hands out again.) GO AWAY!  Go away, scary witch, go away.  GO AWAY!  Go away, scary witch.  Go away, scary witch. Go away, scary witch, go away.  GO AWAY!   Go away, black cat, go away. (Push your hands out, then make the cat gesture, then push your hands out again.) GO AWAY!  Go away, black cat, go away.  GO AWAY!  Go away, black cat.  Go away, black cat. Go away, black cat, go away.  GO AWAY!   Go away, white ghost, go away. (Push your hands out, then make the ghost gesture, then push your hands out again.) GO AWAY!  Go away, white ghost, go away.  GO AWAY!  Go away, white ghost.  Go away, white ghost. Go away, white ghost, go away.  GO AWAY!