Submitted by György Chityil ... on Sat, 01/20/2018 - 01:06 Hierarchy: NounDescription: {{informal|humorous|very|rare}} Any substance having a strong physiological effect, similar to that of caffeine but stronger.Ngram: supercaffeineNgram Text: supercaffeineSource: WiktionaryIssue: 0Wiktionary tag: humorousveryrareNgram Count: 1