pantsing

verb

1. (form-of, gerund, participle, present)present participle and gerund of pants

noun

1. (countable, uncountable)The pulling down of a person's trousers, usually as a prank or form of bullying.
2. (countable, informal, uncountable)An improvised style of writing without an outline.

   “Here's how to painlessly make pantsing your backup. The unknown can be intimidating. The key to pantsing is to not worry about how it will all hang together. Just start writing.”