"billy was scarred for life after his first school dance because he had witnessed a human grindipede  "did you see how long that human grindipede was yesterday?""
noun: the act of multiple people grinding in a conga-line formation
""billy was scarred for life after his first school dance because he had witnessed a human grindipede  "did you see how long that human grindipede was yesterday?""" What is the definition of "human grindipede"?