- chimper-chomper
- /ˈtʃɪmpə-ʃtɒmpə/ (say 'chimpuh-shtompuh)
noun
a children's game of prediction and fortune-telling, wherein a square of paper is folded to form a three-dimensional object which is then opened and closed by putting the thumb and index finger of each hand into the bottom compartments, the visible surfaces of the paper revealing numbers and messages; chatterbox.
Australian English dictionary. 2014.