Trump is defined as to get the better of someone using a hidden resource.
To receive as a prize or reward for performance:
To manage, bring about, or deal with by finesse
Find another word for one-up. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for one-up, like: trump, win, Cashak, scotsgay, live-circuit, scoresheet, P&HE, appearred and finesse.