Definition of come over:
(v) :
(intransitive) To change one's position or location, especially to someone else's home or to an opposing side in competition or conflict.
(v) :
(informal) To seem; to come to express a feeling or state.
(v) :
(transitive) To affect in a sudden, unprecedented or surprising manner; to overwhelm a person's ordinarily contrary impulse.
(v) :
(dated, slang, transitive) To deceive or get the better of; overreach.