[Arwen]

Marathon Yap-A-Thon (Mair ah thohn yap ah thohn) n. From the Martian to engage in long intercourse

1) The act of engaging in an unending chat with a good friend. Most often used to describe conversations between two individuals of the femme persuasion. Characterized by phrases such as "Did you hear?" and "Oh my god! Then he said". Seen as a bonding moment by most individuals of the femme persuasion and a moment to be avoided by most individuals of the butch persuasion

Adversely, the act of engaging in an undending spate of MeMeitis where one talks about themselves ad nauseum despite all clues and signs as given by their listener. Can be socially fatal.