Home › Words › W › whatdoyoucallitwhatdoyoucallitwhatdoyoucallit · noun — something one does not know the name of.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom the phrase "what do you call it".nounSomething one does not know the name of.Definitions & examples from Wiktionary (CC BY-SA 3.0).