Ecnon is a way to call someone a nonce bit when he is doing it to old people.
Calling someone an ecnon is a secretive way to call someone a nonce (pedo).You could use this in school if some teachers are sus
"Hey man see miss over there, shes an ecnon"
"Oh yea mate she kinda sus"
All the kids love Luna and Luna loves them back. The kids are Ecnons.
Reverse nonce. As a child, you like older people.
Person 1: Yeah, I have an older sister.
Person 2: She’s s kind of hot though.
Person 1: Stop being a ecnon