One Piece Chapter 23, page 14: Captain Usopp Enters

Usopp continues his grand boasting, pointing down at the trio. "IT'S BEST IF YOU DON'T TRY TO ATTACK THIS VILLAGE, BECAUSE MY 80 MILLION MEN ARE NOT GOING TO FORGIVE YOU!" Nami, completely unfazed, smiles slyly and asks, "YOU'RE LYING RIGHT?" Caught off guard, Usopp blunders, screaming, "WAA! I'VE BEEN CAUGHT!" Nami points out, "SEE, YOU EVEN SAID IT YOURSELF!" Usopp clutches his head in embarrassment, crying, "ARGHH!! DID I JUST SAY THAT? BAD PLANNING! BAD PLANNING INDEED!" Luffy bursts out laughing, "HAHAHAHA! YOU'RE SO FUNNY!" Annoyed, Usopp snaps, "HEY! DON'T UNDERESTIMATE ME! I AM A MAN WITH HIGH SELF-ESTEEM! AND EVERYONE CALLS ME THE 'HONORABLE USOPP'!"