Come over Definition 1 of 5Pro Tip 1/3Casual Invitation Used when informally inviting someone to your house. Can you come over on Saturday to watch the game? Pro Tip 2/3Social Gathering Often suggests a relaxed, friendly atmosphere at home. We're having a few people come over for a barbecue. Pro Tip 3/3Short Notice Implies an informal and possibly spontaneous visit. Could you come over quickly? I need some help.