Speak Shanghainese and make jokes.

She called him stupid "gang, gang, gang"

The pronunciation is the same except for the different tones.

The most classic-

I went to the balcony to find a line, which translated into Shanghainese is "I went to the balcony to die"-Wu do Yan die go dio xin xi.

The second one is often used as a joke, but many people know it.