What does add oil add oil add oil mean?

add oil add oil add oil meaning in Urban Dictionary

A Chinese appearance of encouragement, frequently heard during sports or before exams. Chinese: 加油Mandarin: Jia1 You2Cantonese: Ga1 Yau4 keep working, a type of encouragement It really is a cheering exclamation in Cantonese. That it is pronounced "Ka-yow"! Which indicates add oil, perhaps not literally!