Abby: Well, Ducky was right. It's snot.
McGee: It's not what?
Abby: It's snot.
McGee: It's not?
Abby: Yeah, it is.
McGee: It's what?
Abby: Snot. The substance found in Lindsey Evans hair. It's snot.
McGee: Well, why didn't you just say that?
McGee: It's not what?
Abby: It's snot.
McGee: It's not?
Abby: Yeah, it is.
McGee: It's what?
Abby: Snot. The substance found in Lindsey Evans hair. It's snot.
McGee: Well, why didn't you just say that?
Abby: Well, Ducky was right. It's snot.
McGee: It's not what?
Abby: It's snot.
McGee: It's not?
Abby: Yeah, it is.
McGee: It's what?
Abby: Snot. The substance found in Lindsey Evans hair. It's snot .
McGee: Well, why didn't you just say that?
http://www.tv-quotes.com/shows/ncis/quote_32194.html