We don't have synonyms for chinny yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are chinky, whinny and shinny.
(n) :
(slang) An opaque white chalk marble with colored stripes.
(n) :
An exercise similar to an abdominal crunch, performed by lying flat on one´s back and then bringing the knees toward the chest while simultaneously raising the chest to meet the knees.
(n) :
(slang) An opaque white chalk marble with colored stripes.
(n) :
An exercise similar to an abdominal crunch, performed by lying flat on one´s back and then bringing the knees toward the chest while simultaneously raising the chest to meet the knees.