gen up

Advanced (C1) informal

To find out everything you need to know about something before doing it.

"You'd better gen up on the company's history before your interview tomorrow."

Hear it in context

Video: The Next Forever War Will Be In The U.S.
The Next Forever War Will Be In The U.S.
Redacted · 12:40
platformed on CNN and Fox News to gen up consent for this war.
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