to play a trump that beats someone else's card in a game
to do better than someone else in a situation when people are competing with each other:
By wearing a simple but stunning dress, she had trumped them all.
trump something ↔ upphrasal verb
to use false information to make someone seem guilty of doing something wrong:
They had trumped the whole thing up to get rid of him.
Dissidents were routinely arrested on trumped-up charges.