rat in a sentence

rat meaning:

n.)a small mammal that looks similar to a mouse but is larger.*&&*v. i.) In English politics, to desert one’s party from interested motives; to forsake one’s associates for one’s own advantage

rat sentence:

The cat ran after the rat.

So you’ve changed sides, you dirty rat!

What? You rat! You skunk! We had a deal!

You can’t rat out your teammates.

The dog was killed by rat poison .

The dog was killed by rat poison .

He used some cheese to trap the rat.

He promised to lend me some money,but he has ratted on me.

The biology students had to dissect a rat.