Is there some new kind of Casual Friday
I don't know about?
The Big Bang Theory Season 2, Episode 5
...and engage in CASUAL physical contact...
The Big Bang Theory Season 6, Episode 1
There's a difference
between CASUAL and weird.
The Big Bang Theory Season 11, Episode 8
I'm striking up a CASUAL conversation
with you.
The Big Bang Theory Season 2, Episode 9
What, you don't even get
CASUAL Saturday?
Breaking Bad Season 2, Episode 8