One who slobbers all over the dick of source material and dismisses or out right tries to tear down anything that tries to build off of said source material.
Weeb 1 "Yo man, God of Highschool was a pretty sick show."
Weeb 2 "That show sucked man, they didn't even touch on the best parts of the webtoon and the animation was shit. You need to just read the webtoon."
Weeb 1: Yo man, you ain't gotta be a source slut about it.