1 definition by Eunice Swagpants

1. An unfortunate incident that causes it to be a person’s last day at their job.
Or
2. A spectacular event carried out by an employee who has already decided that this will be their last day at their current job.
“Who could’ve predicted that Gary telling the boss to go fuck himself would be a Last Day Activity? Everyone, that’s who.”“The guy from accounting who went streaking through the last board meeting picked one helluva Last Day Activity.”
by Eunice Swagpants May 2, 2021
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