I smell a RAT.
The Big Bang Theory Season 12, Episode 7
However, if you stay outside,
hidden like a RAT,
Money Heist Season 3, Episode 2
No. No, he's not a RAT.
Breaking Bad Season 5, Episode 13
White Rat, the Unsullied who...
Game of Thrones Season 5, Episode 1
Getting his pet RAT a reward
Game of Thrones Season 3, Episode 7