氪肝

kè gānkegan

  1. (slang) to put in long hours, typically late into the night, playing a video game (rather than pay for power-ups)

Characters in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences