We don't have synonyms for dingess yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are dinges and dingers.
(n) :
Alternative spelling of dingus (“thingamajig; fool”). [(Canada, South Africa, US, informal) A gadget, device, or object whose name is either unknown, forgotten, or omitted for the purpose of humor.]
(n) :
Alternative spelling of dingus (“thingamajig; fool”). [(Canada, South Africa, US, informal) A gadget, device, or object whose name is either unknown, forgotten, or omitted for the purpose of humor.]