Green’s Dictionary of Slang

litty adj.

excellent.

https://www.dictionary.com 🌐 When something is exceptionally great, intense, and fun, as a party, it can be described as litty, similar to other slang terms like dope, turnt, or poppin’.
https://www.dazeddigital.com 🌐 A litty lengy reading of London Fashion Week by Socks House Meeting.