Here is the context:
Dance with me the gallowdance.
This is a piece from Lebanon Hanover's lyrics.
English Language & Usage Stack Exchange is a question and answer site for linguists, etymologists, and serious English language enthusiasts. It only takes a minute to sign up.Sign up to join this community
It refers to people jerking about while being hanged. It's interesting because, from what I could gather, people with suspension hangings or short drops shouldn't move much. Compression of arteries to the brain would cause the body to become sluggish, with little or no ability to struggle. It does refer to the above mentioned forms of hanging and not Standard or Long Drops, which would break the spinal cord, resulting in instant death, rather than it taking 10-20 minutes to die.1