
There's a difference
between CASUAL and weird.
The Big Bang Theory Season 11, Episode 8

...to provide Amy with conversation
and CASUAL physical contact.
The Big Bang Theory Season 6, Episode 1

No, I'm all done with CASUAL sex.
The Big Bang Theory Season 2, Episode 2

Well, it's very CASUAL. No dress code or...
The Big Bang Theory Season 2, Episode 10

is that what we had was something CASUAL.
Money Heist Season 3, Episode 8