To take up time and space. Often confused with "Invade", the act of infiltration.

To fill time and/or space in order to require others to pay atetntion to your message, while instead creating confusion and chaos, often negating any chance to accomplish any previously established goals.

The act of going to an establishment to partake in its goods and services. Most commonly used in the context of getting something to eat or using the restroom. Used in an episode of South Park ridiculing the Occupy Wall Street movement.