verb (used with object), one-upped, one-up·ping.
Origin of one-up
Definition for one-up (2 of 2)
Origin of one up
Examples from the Web for one-up
Will the Kleig lights now shining on Sam move them to one-up him as the first?Will Today’s Closeted NFL Stars Let Michael Sam Be the First Out Player?|Evin Demirel|February 10, 2014|DAILY BEAST
With millions of bucks on the line, advertisers aim to one-up each other with the funniest, most memorable spots.What the GOP Can Learn from the NFL’s Outreach to Women|Kristen Soltis Anderson|January 30, 2014|DAILY BEAST
PF: There was a point after Me, Myself and Irene that we seemed to have to one-up ourselves and we didn't want to do that.Interview With Hall Pass Directors Farrelly Brothers|Chris Lee|February 22, 2011|DAILY BEAST
Both he and Roubini strutted their stuff in Davos in January, trying to one-up each other with ever-more-dire forecasts.
Well, my wife, you know, seems to think it might put me one-up with the jolly old dad if I did something.Indiscretions of Archie|P. G. Wodehouse
British Dictionary definitions for one-up
Idioms and Phrases with one-up
Having an advantage or lead over someone, as in Sara is one up on Jane because she passed algebra in summer school. This expression comes from sports, where it means to be one point ahead of one's opponents. It was transferred to more general use about 1920.