Definition of grabs:
(v) :
(transitive) To grip suddenly; to seize; to clutch.
(v) :
(intransitive) To make a sudden grasping or clutching motion (at something).
(v) :
(informal) To quickly collect, retrieve, or take.
(v) :
(transitive) To grip the attention of; to enthrall or interest.
(v) :
To take the opportunity of.
(v) :
To restrain someone; to arrest.