"did you see the human grindipede at [homecoming]? there must have been at least twenty-five people in that thing
when multiple people in a line rub their gentials against the person in front of them's rear, while placing their hands near or on said person's hips
""did you see the human grindipede at [homecoming]? there must have been at least twenty-five people in that thing" What is the definition of "human grindipede"?