SINGALONG Meaning of SINGALONG in English sing ‧ a ‧ long /ˈsɪŋəlɒŋ $ -lɒːŋ/ BrE AmE noun [countable] an informal occasion when people sing songs together SYN singsong British English Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012