- adjective, -pier, -piest
1. characterized by or indicative of filth, lack of sanitation, and uncleanliness.
2. more specifically, indicative of the ability to disseminate Hepatitis A.
Have you showered today? You're looking a little heppy?
Your apartment is so heppy dude. - Yeah, my cat's been peeing all over for 5 days, my toilets flooded, and I threw a kegger.