hokkien (chinese dialect), commonly used in singapore. literally means to bang your balls against your dick. used when you are stuck in a situation and no matter how you try to change it, the end result is the same.
girls walk around shopping centre looking for shoes. all the shops offer the same price.
she ends up in a shop.
store owner notices her for a long time already and tells her: "hey girl, c'mon, don't lppl already. come to my shop, i give u a better price than others. walking around won't help at all right?"
girl obviously gets very pissed off.