Making poopies refers to the act of taking a dump or taking a shit. This is the process of emitting fecal matter out of one's posterior orifice. I don't know why the term: 'taking a shit' caught on, since you're actually 'leaving' a shit'. Making poopies can be a means of describing your current situation or that of someone or something else. This expression can be used in differing tense's as given in the examples below.
Honey, you're not gonna believe this, but I have to make poopies.
Hey Louie, where's the poker dealer? Oh, he's in the shitter out back making poopies
Anthony Mackie, aka "the greatest chocolate man on earth", is a sarcastic, handsome, dapper, and hilarious actor who plays Falcon in the marvel cinematic universe. His best friend is Sebastian Stan and together they make the greatest friend duo ever seen. Also, he's obsessed with his thighs, like a lot, and can do a bomb Denzel impression.
Quotes:
"You like Easter cuz you about to eat some chocolate homie"
"You never see girls run after engineers"
"Your thighs look like hot dog weiners"
If you don't believe how great Anthony Mackie is, look on youtube for his marvel interviews... you won't regret it.