fun pack /ˈfʌn pæk/ noun2 •A small ("fun-size") package of snacks etc.Companies often use pictures of kids on their packaging and make individual “fun pack” or “snack pack” servings to make their food more kid-friendly. — 2008 •A bag containing gifts and promotional material handed out at a conference, exhibition, or similar event.In all, 200,000 fun packs will be distributed at the three shows this year – the National Education Show, NDP Preview and on the day of the parade, Aug 9. — 2002 formsfun packs