When you are taking a dump and you realize through texting, phone calls, etc that several others (friends, family, pets, etc.) are also taking a dump at the same time and at least 1 of them is in a different time zone, making their dump in your past or in your future.
"I am sitting in my bathroom taking a dump and I look out the window as my dog walks up outside and takes a dump. magic
Little did you know, the magic goes deeper, as I am pooping as well. POOPCEPTION
But I'm technically pooping in your past, due to the time difference.