alcopop UK /ˈæl.kəʊ.pɒp/US /ˈæl.koʊ.pɑp/ noun1 •(UK, Australia) An alcoholic drink that looks and tastes like a soft drink.However, the media soon went too far in playing the story up, claiming that underage drinkers drank only alcopop (actually they preferred cheap cider). — 1999 formsalcopops