A short stocking reaching a point between the ankle and the knee. Meteorology A windsock. A light shoe worn by comic actors in ancient Greek and Roman plays. Comic drama; comedy: "He . . . knew all niceties of the sock and buskin\u201d ( Byron). To provide with socks. sock away Informal To put (money) away in a safe place for future use. sock in To close to air traffic: fog that socked in the airport. To hit or strike forcefully; punch. To deliver a blow. A hard blow or punch. sock it to (someone) Slang To deliver a forceful comment, reprimand, or physical blow to someone else.