One Piece Chapter 43, page 9: Sanji Enters

The deflected cannonball flies backward, but instead of hitting the Marine ship, it slips from Luffy's grip and crashes directly into the roof of the Baratie restaurant, exploding with a massive blast. Zoro yells in anger, "JUST WHO ARE YOU GIVING IT TO, YOU DUMBASS!?" Luffy falls flat on his back, his eyes wide with shock as he realizes what he has done. Fullbody also looks on in surprise. Back on the deck, Nami covers her face in embarrassment, groaning, "UGH..."