TV series example of the word

Breaking Bad Season 3, Episode 10
Totally freaky, like alien rats.

The Big Bang Theory Season 12, Episode 17
Tykes. Rug rats.

Game of Thrones Season 6, Episode 7
- What do you think I'd do? - I don't give a rat's...

Game of Thrones Season 2, Episode 1
They say a million rats live in the sewers of King's Landing.

Game of Thrones Season 5, Episode 5
until the rats have nowhere left to hide.