Como dizer "roubar uma ideia" em inglês

poach - (somebody/something) (from somebody/something) to take and use somebody/something that belongs to somebody/something else, especially in a secret, dishonest or unfair way

Jeff always poaches my ideas, and then pretends that they're his own.
She was accused of poaching [=plagiarizing] the material for her essay from a Web site.

Cambridge Dictionary
Oxford Advanced Learner's Dictionary