What do you call jokes

What do you call Mordecai dressing up as a basketball player?

Blue Jay Simpson!

What do you call an Indian with a wooden leg? Shit on a stick.

What do you call an Indian with two wooden legs? A waste of lumber.

What do you call a person that [proudly] knows only one language? A bloody seppo.

What do you call a person that speaks five languages? A Euro waiter.