The act of deficating while on the clock at work. The extreme Nesselrodter will think nothing of entering the building in the morning, clocking in, and immediately hitting the bathroom. The longer you take the better as no Nesselrodt should last less than 30 minutes. A skilled Nesselrodter can expect to earn about 15% - 20% of his yearly pay while seated comfortably on the throne.
Man that food I ate for lunch didn't agree with me...I'll be taking a Nesselrodt if you need me.
I made $10,000 last year just Taking A Nesselrodt.