What is Fun Eater?
1.
When a person who abstains from drugs because they are already having fun at the moment, thus not needing a drug to either ruin or amplify their fun.
A: You know what would make this campfire and this marshmellow fight more fun?
B: lol WHAT!
A: Some weed!
B: lol no thanks
A: Oh, so your a fun eater!
See