"Brow, brow brinky, eye, eye, winky, mouth mouth merry, cheek, cheek cherry, chin chopper, chin chopper, chin, chin, chin." is a nursery rhyme from Wee Sing (a collection of nursery rhymes). In my bilingual copy of Wee Sing, the Chinese translation for "chin chopper" is "double chin", but I doubt it. Does chopper here have a meaning or is it only used for rhyming purposes? Thanks in advance.