Used to express extreme excitement almost as a form of a gasp, but not always in the form of laughing your ass off.
In a chat:
Anon1: Someone lick meh.
Person1: *licks anon*
Person2: Eww. Don't. You'll get anonitis!
Person3: Anonitis? LANMAO.
2👍 11👎
means penis hair
use as an insult etc. or an alternative of "asshole" in singapore