べんきょう くそ勉強 LinksSentence search for くそ勉強Sentence search for くそべんきょうSentence search for クソ勉強Sentence search for 糞勉強Kanji details for 勉 and 強Edit in JMdict Noun, Suru verb1. studying like crazy; cramming like a madmanSlangOther formsクソ勉強 【くそべんきょう】、糞勉強 【くそべんきょう】 Discussions Log in to talk about this word.