ぼっき
勃起
erection (of the penis); becoming erect; stiffening
N5Common wordNoun
Noun, Suru verb, Intransitive verb
erection (of the penis)•becoming erect•stiffening
Noun, Suru verb, Intransitive verb
welling up (of an emotion)
erection (of the penis); becoming erect; stiffening