Ross: All right, all right. We're all adults here. There's only one way to resolve this. Since you saw her boobies, I think, uh, you're gonna have to show her your peepee.
Chandler: You know, I don't see that happening.
Rachel: C'mon, he's right. Tit for tat.
Chandler: Well, I'm not showing you my tat.
Chandler: You know, I don't see that happening.
Rachel: C'mon, he's right. Tit for tat.
Chandler: Well, I'm not showing you my tat.
Ross : All right, all right. We're all adults here. There's only one way to resolve this. Since you saw her boobies, I think, uh, you're gonna have to show her your peepee.
Chandler : You know, I don't see that happening.
Rachel : C'mon, he's right. Tit for tat.
Chandler : Well, I'm not showing you my tat.
http://www.tv-quotes.com/shows/friends/quote_2882.html