
...do I have to hold up a SARCASM sign
every time I open my mouth?
The Big Bang Theory Season 1, Episode 2

You have a SARCASM sign?
The Big Bang Theory Season 1, Episode 2

If that's SARCASM,
please save it for our enemies.
The Big Bang Theory Season 10, Episode 23

- Oh, imagine that.
- Sarcasm. Goodbye.
The Big Bang Theory Season 2, Episode 18

I'm sorry.
He doesn't really understand SARCASM.
The Big Bang Theory Season 3, Episode 16