Grab  —v. (-bb-) 1 seize suddenly. 2 take greedily or unfairly. 3 slang attract the attention of, impress. 4 (foll. By at) snatch at. 5 (of brakes) act harshly or jerkily. —n. 1 sudden clutch or attempt to seize. 2 mechanical device for clutching. [low german or dutch]