To be used in place of tired expressions like "awesome" and "gnarly" to indicate that some event was both impressive and expensive to recover from. From the dental specialty "Endodontistry", the dude you are sent to when your teeth and gums are FUBAR.
You're watching live leak when a scooter moving at high speed impacts a crossing honda, also moving at high speed. The result is a scooter operator that does seven full aerial horizontal rotations before hitting the ground and then continues to spin several more times on the ground. "Whoa! Did you see that scooter? That was endodontic!
by Flesh Flewd August 14, 2017