Definitions by ExtraShard

Underfag 

Any Undertale Player/Fanboy that meets the following Criteria.

1) Is obsessed and will go to any length to get the merchandise .
2) Is under the age of 10.

Guy A: God Damnit
Guy B: What?
Guy A: My little brother is such an Underfag

Underfag by ExtraShard July 4, 2016