Arab leaders, too, must put an end to the pattern of one-upmanship over Palestine.
The gesture strikes me as hostile, and vaguely chauvinistic; how pathetic, I think, that his impulse is one-upmanship.
A call girl's idea of one-upmanship—which is far more beneficial to the men she sees—is being more discreet than the next girl.
Too often we focus on one-upmanship and demonization of those whose points of view are different from our own.
The technique and practice of having the advantage over one's opponent, esp keeping a psychological advantage by low cunning and subtle brilliance: a wide-open but good-humored game of political one-upmanship
[1952+; coined by the late British humorist Stephen Potter as a book title]