重じゅう課か金きんMeaningsNoun1. spending heavily on virtual goods or premium features (in a video game, on a social networking service, etc.)Kanji used重heavy課subsection金goldComposed of重じゅうjūbako; multi-tiered food box; heavy; serious; extreme; -fold; -plyNoun課か金きんcharging (a fee); billing; chargeNoun