It is like a knight, but it also moves like a rook. You can only get it via a promotionand it is the most OP piece in Chess. It is represented by the knight, but with the rook as a hat.
Kookaburra, can be confused with a species of bird that is native to Australia. It can also mean blow job, head job or felatio as the sounds of the kookaburra strongly resembles that of a woman vigorously performing felatio. .