
It's a JOKE.
The Big Bang Theory Season 2, Episode 1

"It’s a JOKE, isn’t it?"
Money Heist Season 1, Episode 11

It was a JOKE!
Money Heist Season 1, Episode 9

Okay now, Leonard, you tell a JOKE.
The Big Bang Theory Season 10, Episode 21

I never JOKE about math or sex.
The Big Bang Theory Season 2, Episode 20