Definition: The word "us open standing" is a slang term used to refer to people who are openly standing during social gatherings, such as parties or events. The meaning behind this word is that it implies that individuals are free to move around and participate in the event without being disturbed by others. <0x0A><0x0A>The detailed definition of the word "us open standing" is that it refers to people who stand up while speaking, listening, or moving around with a sense of freedom. It emphasizes their active participation in social gatherings.