written as: 冰淇淋 (Bīngqílín)
This phrase was popularised among internet users, when John Cena, a professional wrestler,and actor spoke chinese to promote his upcoming movie amongst chinese people.
The process in which you have casual conversation while taking a dump. This person can be your spouse or your neighbor/anyone who can withstand the odor and not be offended. The idea is to find someone who will chill while dropping the kids at the pool.