
Baby hormones or actually SAD?
The Big Bang Theory Season 9, Episode 20

Oh, he looks SAD again.
The Big Bang Theory Season 10, Episode 16

How can you be SAD
when you're going home
The Big Bang Theory Season 7, Episode 23

And, yeah, it's a little SAD,
but, you know,
The Big Bang Theory Season 11, Episode 10

That's all that's left of those days,
thanks to a few SAD, fat drunks like me.
Game of Thrones Season 4, Episode 1