Chinglish translation of the
Chinese saying - 男人不坏,女人不爱. (Real meaning: Ladies like naughty
men)
The phrase 'pet pet' means ass in Cantonese slang.
When used in full form, it means that if the guy is not naughty, he will not get ladies (or get laid)
Person 1: Eh, why is that jerk so
popular amongst girls?
Person 2: Do you know boy no bad bad, get no pet pet?
or
Person 1: Why am I still
single?
Person 2: Ayo you need to stop being a
nerd. Remember, boy no bad bad, get no pet pet.