What's your 20? 应该是: 你的位置?24小时和Fringe等美剧都有这样的对话出现This is one of many CB slang terms that those operating CB radio used mainly during the CB craze of the 1970s and 1980s. Literaly speaking it means: Where are you?What's your twenty?" This is asking the receiver what their current location is. This term comes from the ten-code 10-20.
