fifinounmasculine/feminineinformal/fiˈfi/lowfi·fiPortuguesEnglishEspanolFrancaisDefinitionInformal term, sometimes used as a pet name or nickname for small pets, especially dogs. Can have a connotation of something fussy or overly delicate.My little dog is called Fifi.Don't be such a fifi, face the problem.synfussydaintyCommon collocationsfifi dogEtymologyOrigem incerta, possivelmente onomatopeica ou hipocorística.