半はん勃ぼっ起きMeaningsNounSuru verb1. semi-erection; half-boner (Colloquial)Kanji used半half勃erection起to occurComposed of半はんhalf; semi-; partial; half-past; odd numberPrefix勃ぼっ起きerection (of the penis); becoming erect; stiffening; welling up (of an emotion)Noun