
Okay. Ahem.
The Big Bang Theory Season 6, Episode 6

We are. We are. Ahem.
The Big Bang Theory Season 8, Episode 19

All right, that's enough. Ahem.
The Big Bang Theory Season 6, Episode 4

- Howard?
- Wow. Ahem.
The Big Bang Theory Season 3, Episode 16

Speaking of which, AHEM,
Breaking Bad Season 4, Episode 8