Hallo there, siger kvinden med det lange hår. 
Hun fortsætter: TODAY IS ICE CREAM-DAY UNTIL 4-EVER.

ice cream/ˌaɪsˈkri:m/ noun

plural ∼ creams


:a frozen food containing sweetened and flavored cream [noncount] ▪ What flavor of ice creamdo you like? ▪ chocolate/vanilla ice cream [count] ▪ Would you like another ice cream? [=another serving of ice cream] — often used before another noun ▪ an ice-cream parlor/stand/soda (Merrian-Webster)