One Piece Chapter 30, page 13: GREAT!!!

With a mighty roar of "AAARRGH!!!", Luffy rips the giant cat-head bow completely off the front of the pirate ship. The Black Cat Pirates cry out in terror, "WAAAH! HE'S TAKING OFF THE BOW! HE'S DESTROYING OUR SHIP!!" Jango is sweating profusely, while Nami cheers, "GO! LUFFY!" and Usopp looks on with his mouth hanging wide open.