People who are assholes but who wear out the word so much you must get creative using hense "assdragon"... also may be substituted with "assdumpling" and/or "asspuppet"
The act of taking a shit that causes significant burning around one's anus, especially after one has eaten really spicy food.
The shit burns as though there is a Dragon in your ass trying to get out, and the valiant Sir Porcelain (toilet) must fight to protect your Ass from being ravaged by the flame of the Dragon.
"Holy shit dude, I had to fight the ass-dragon all morning after eating those Habanero Peppers!"
"Mmm. Spicy Thai Food." *Four hours later..* "Dear lord! Fetch my shield and sword! I have to fight the ass-dragon!"
A mythical creature, friendly in nature, who comes to visit one several hours after one consumes spicy foods - making one's butthole feel as though it were shooting out fire while one defecates. The Ass Dragon's friendly, playful nature often makes him want to hang out for hours, sometimes hiding for a little while, peek-a-boo-style.
One more jalapeño slice would just be inviting the Ass Dragon and I don't have time to have my ass feel like it's on fire every hour tomorrow as I am addressing the Supreme Court in a very important case.