"fan shu fu chuk tan"

In this context, it's not a dessert.

When my friends get mad, they come up with all kinds of funny funny phrases. This, is a swear word. Used in conversations about your boss, or about your colleagues or about that nasty stranger in the bus.

As we are all polite people, we shall unleash our angers in a more polite way, shall we?

Now you've learnt something new today. Use it wisely.