Submitted by György Chityil ... on Fri, 01/19/2018 - 21:56 Hierarchy: AdjectiveDescription: {{African American Vernacular English}} Crazy and exciting; delirious and wild. By analogy to a frenetic dog when unleashed.Ngram: off the chainNgram Text: off the chainSource: WiktionaryIssue: 0Wiktionary tag: African American Vernacular EnglishNgram Count: 3