You can't tell the sick
from the SAD. Mm.
The Big Bang Theory Season 7, Episode 22
Sad face, SAD face!
The Big Bang Theory Season 5, Episode 4
You mean when we were all SAD,
desperate and horribly alone?
The Big Bang Theory Season 12, Episode 15
That is SAD.
Game of Thrones Season 2, Episode 4
Oh, you make me laugh,
SAD clown.
The Big Bang Theory Season 7, Episode 2