kiddie [ˈkʰɪɾi]noun 1forms 1phrases 1 noun[before a noun]1 •(slang) A child.The kiddie pool was shallow so the children would be safe, which meant it was much warmer than the adult pool.C. S. Lewis first made kiddie lit a respectable field of study. formskiddies Phrases with kiddie kiddie tableThe gathering place, forum, or venue assigned to less prominent or less capable participants in an event.