Enjoy the game's reward for beating the level -- a sound effect that sounds like you're rubbing sandpaper over grandma's beard.
(a sound effect; sounds; like you're rubbing sandpaper over grandma's beard) (you; 're rubbing; sandpaper; over grandma's beard)
a sound effect you
sounds 're rubbing
like you're rubbing sandpaper over grandma's beard
sandpaper over grandma's beard