Definition of the word swing by

The origin of the phrase "swing by" can be traced back to the late 1940s and early 1950s, during the peak of swing music popularity. Swing bands and dance halls were a popular social scene, and people would often gather to enjoy the music and swing dance. The phrase "swing by" originated as a slang term used by African American communities in urban areas, possibly as a reference to the swing music genre's energetic and free-flowing dance moves. The term "swing" in this context refers to moving smoothly and gracefully, much like the fluid, flowing swing dance moves. The phrase "swing by" initially meant to visit a swing dance hall, where people would gather to dance and enjoy the swing music. Later on, it was used more generally to mean stopping by a place briefly. The connotation of the phrase still lingers as being associated with a carefree and energetic spirit that is popularly associated with swing music and culture. In summary, the term "swing by" originated during the swing music era as a slang term to refer to visiting a swing dance hall, but it now widely refers to making a brief visit to a place in a casual and carefree way.