tontoncommon nounproper nounSyllable DecompositiontontonEtymologyexpandchildish diminutive for uncle.Definitions1. Uncle.childishexpand2. A person outside the family for whom someone younger has a filial-type affection.by extensionexpand3. Informant.expand4. Treasurer of an association.ArgadzexpandSynonymmononclePluraltontonsTranslationsgreek:μπάρμπας