After girls poop, if there's a piece still stuck in there that can't be pushed out, she can put her fingers in her vagina and push up into her colon and it'll come out.
Janie had a piece of shit that wouldn't come out so she gave herself the old two-fingered poopchute and out it came!
A phrase you say when you're playing video games late at night (possibly on substances) and you see/do something so crazy that you have no other words to say.
Jeremiah: GOD DAMN THAT BITCH JUST PULLED THE ONE-TWO JIMBO POOP ON HIS HEADASS
A person with two anus's. More commonly this is caused by an untreated anal cyst which breaks the skin and creates a second passage. There is another condition called genital duplication which is known to produce a second anus in sufferers.
A friend we once had apparently suffered from an anal cyst many years ago which created him a second anal passage.
Because we had no compassion for this person at all, we decided to call him twopoo - and so it was spoken, that from that day forward that anyone with the misfortune of having twoarse holes would be known as a twopoo.