What is the meaning of "come down" in the following context? "Hey. Mrs. Davis. Hey. Hey. Dr. Hofstadter. Yeah. Just thought I'd come down and start getting ready for swimsuit season. Good for you. Eh. Not that you need it. I bet you look great in a swimsuit. Thank you. I've got what my father used to call "furniture disease." My chest is falling into my drawers." (The Big Bang Theory).