Means "I share the Christmas (singular) with you."
The renowned Finnish boys' choir Cantores Minores. Joulut kanssasi
It looks like you are referring to the song by the Finnish band Haloo Helsinki! . While the phrase "Joulut kanssasi" translates to "Christmases with you," the correct title of the popular holiday track is "Joulun kanssas jaan" ("I share Christmas with you"). 🎵 Song Overview: "Joulun kanssas jaan" Artist: Haloo Helsinki! Means "I share the Christmas (singular) with you