Dory: I saw a boat.
Marlin: You did?
Dory: Yeah, it went by not too long ago. Follow me.
[few seconds later, she starts zig-zagging in front of him and glancing back]
Dory: Would you quit it? What, the ocean isn't big enough for you or something like that? You got a problem? Huh? Do ya, do ya, do ya? You wanna piece of me? Yeah, yeah! Ooh, I'm scared now! What?
Marlin: What? You said you saw a boat.
Dory: A boat?
Marlin: YES.
Dory: Hey, I've seen a boat. It went by not too long ago. It went... this way. It went this way.
Marlin: Wait a minute, you already told me which way the boat went.
Dory: I did? Oh, no...