Intellectual property robbery thinly disguised as acquisition talk. Usually committed by a big company on a startup. Yelp got brainraped by Google back in the day.
http://www.quora.com/Silicon-Valley-Season-2-Episode-2-Runaway-Devaluation/What-was-the-reference-to-Yelp-in-episode-2-of-season-2-of-Silicon-Valley
Erlich: They're brainraping us right?
Gerald: They definitely are.
Erlich: Shit!