Date: Mon, 8 Jun 1998 12:49:03 -0700
From: "A. Vine"
Subject: Re: big weekend

Grant Smith wrote:
> I would guess the analogy to be "one-up-manship," a popular phrase meaning
> to gain the advantage over others, especially in wit. There was a book
> out, I forget the author, entitled, I believe, "The Art of Oneupmanship."
> -Grant Smith

Or, as I've heard it, "oneupsmanship". I think the derivation here is from the
third person singular verb form; the parties being described are more likely to
be in the third person.