“If it looks like a duck, quacks like a duck, it's a duck!”

“If it looks like a duck and quacks likes a duck, it's a duck, right?”

“You ever hear that expression 'If it looks like a duck and it quacks like a duck, it's probably a duck'?”

“if it looks like ahh duck and Quack like ahh duck then....its an afflack!”

“If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family anatidae on our hands.”

“If it walks like a duck, quacks like a duck, and looks like a duck, it is a very unfortunate situation for the batting team. On the other side of the image, although being definitely unfortunatable for the batting team, it is most definitely a glorious silver lining for the bowling team.”

“That’s the tricky thing about love. It walks like a duck, quacks like a duck, and smells like a duck. But after you sleep with it a month or so, or get dumped at the altar by it, it starts smelling more like a skunk.”