The accusation targets disproportion: claiming a decent rookie is the next LeBron, defending a creator's every move, treating a mid product drop as revolutionary. Glazing implies the praise says more about the praiser's devotion than the subject's merit.
It is core vocabulary in sports comment sections and gaming/streaming spaces, and it polices fan behavior: communities mock their own glazers. The line between being a fan and glazing is the running argument — exactly the kind of unresolvable debate comment sections love. Note that in some spaces the term's cruder origin is referenced, but mainstream usage is simply "excessive hype."
