In the "fishmonger" scene (lines 171-225), how does Hamlet make fun of Polonius and at the same time warn him about Ophelia?

In the "fishmonger" scene (lines 171-225), how does Hamlet make fun of Polonius and at the same time warn him about Ophelia?

Hamlet pretty much calls Polonius a pimp wihtout Polonius even knowing it. Also, he also calls Ophelia a slut in a way.