
or those guys that go in a RAT hole,
shooting around.
Money Heist Season 1, Episode 11

Grey Worm, Red Flea, Black Rat.
Game of Thrones Season 3, Episode 5

I smell a RAT.
The Big Bang Theory Season 12, Episode 7

So, I'm like a lab RAT
before your real friends come over?
The Big Bang Theory Season 10, Episode 6

a snitch, a filthy RAT.
Money Heist Season 1, Episode 6