Submitted by György Chityil ... on Fri, 01/19/2018 - 20:48 Hierarchy: NounDescription: {{colloquial|childish|by or to young children}} A minor injury, such as a cut or a bruise.Ngram: boo-booNgram Text: boo-booSource: WiktionaryIssue: 0Wiktionary tag: childishNgram Count: 1