Swing by Definition 1 of 1Pro Tip 1/3Casual Intent Implies an informal, short, and unplanned visit, rather than a scheduled or formal one. If I finish early, I might swing by the cafe. Pro Tip 2/3Quick Stop Suggests the visit will be brief, often because the person is already on the go. Can you swing by the store and grab some milk? Pro Tip 3/3On the Way Often used when the destination is convenient or along the route to the final destination. I'll swing by the post office since it's on my way home.