n. The process by which one ends up browsing various Wikipedia
articles or Youtube
videos that are of little or no interest but seemed like they might be interesting at the time. It's likely you'll end up on something totally irrelevant and forget what you were supposed to be doing.
Clearly, the expression is a pun on the musical term "chord progression".
My assignment was on the European Union but after a bored progression I ended up learning about flying lizards