Bones, Season 3

Booth:
What a shock for that couple. I mean, they slide naked into the hot mud bath and a skeleton hand pokes her in the, you know—

Brennan:
Anus.

Booth:
Bones!

Brennan:
What? It's a clinical term for that part of the body, Booth.

Sweets:
Dr. Brennan, Agent Booth, would it be fair to say that you use work to avoid confronting personal issues?

Booth:
Why? Because I don't wanna talk about, you know—

Brennan:
The anus.

Booth:
You really like that word, don't you?

Sweets:
Do you two ever discuss anything that's not attached to work?

Booth:
Well, it's better than talking about, you know—

Sweets:
The anus?

Booth:
What is it with you two?