From Longman Dictionary of Contemporary Englishtittle-tattletit‧tle-tat‧tle /ˈtɪtl ˌtætl/ noun [uncountable] TALK TO somebodyunimportant conversation about other people and what they are doing SYN gossip
Examples from the Corpus
tittle-tattle• She was becoming less interested in any tittle-tattle he might purvey that might help her with the case than in himself.• Mere tittle-tattle dredged up for purely prurient interest is another matter.Origin tittle-tattle (1500-1600) tattle 