七夕我们喝七喜
[qī xī wŏ men hē qī xĭ]
It means 'Let's drink 7Up on the QiXi Festival'. Here 7UP (qi xi), is playing a pun game with 'QiXi', a traditional Chinese Valentine's Day falling on the 7th night of the seventh month of lunar calendar. By choosing the right drink brand named 7UP (which has nothing directly associated to this festival), this internet name creates a playful atmosphere around the romantic day.