找不到我时大喊一声汪苏泷
[zhăo bù dào wŏ shí dà hăn yī shēng wāng sū lóng]
This nickname incorporates a playful reference to Wang Shu, a popular Chinese singer-songwriter. The idea is that if you can't find the person, just shout out his name (or possibly referring to one of his famous songs).