You're the one who wanted
to keep things CASUAL.
The Big Bang Theory Season 11, Episode 8
I've extended a friendly,
CASUAL greeting.
The Big Bang Theory Season 3, Episode 10
No, I'm all done with CASUAL sex.
The Big Bang Theory Season 2, Episode 2
Of course, the CASUAL mention
of a Dothraki horde,
Game of Thrones Season 7, Episode 2
...to provide Amy with conversation
and CASUAL physical contact.
The Big Bang Theory Season 6, Episode 1