1. and sub and hoagy and torpedo and grinder and poor boy and hero n. a long sandwich containing many different foods. (Sometimes many feet long. It is cut into smaller segments for serving a group. Usually contains sliced meats and cheese, as well as tomatoes and onions. Terms vary depending on where you are in the country.) He ordered a submarine, but he couldn’t finish it.
2. n. a large marijuana cigarette. Look at the size of that sub!
3. n. [menstrual] tampon. My God! I’m out of submarines!