It's colloquial. A CONVERSATION opener.
The Big Bang Theory Season 2, Episode 9
and somehow leaving me
out of the CONVERSATION!
The Big Bang Theory Season 10, Episode 19
It's a CONVERSATION.
Game of Thrones Season 6, Episode 3
I printed out a list of safe topics
for polite CONVERSATION.
The Big Bang Theory Season 9, Episode 9
We wouldn't be having
this CONVERSATION if we didn't.
Game of Thrones Season 1, Episode 9