"appi" is a colloquial term used to describe something that is cool, awesome, or impressive. It's similar to saying "cool" or "awesome." It's often used to express positive emotions or excitement. "Appi" is a colloquial term used to describe something that is cool, awesome, or impressive. It's similar to saying "cool" or "awesome." It's often used to express positive emotions or excitement.
"That party was so appi!" it means the party was really cool and impressive.