1. (slang) to put in long hours, typically late into the night, playing (a video game)
2. (of a video game) involving a lot of repetition in order to progress; grindy

classifier: 葉

1. fire
2. urgent
3. ammunition
4. fiery or flaming
5. internal heat (Chinese medicine)
6. hot (popular)
7. classifier for military units (old)
8. Kangxi radical 86