勃起

ぼっき

erection (of the penis)

#18,917

Meanings

  1. noun, takes する, intransitive, physiology erection (of the penis); becoming erect; stiffening
  2. welling up (of an emotion)

Its kanji

In sentences

僕ぼくは勃起ぼっきしています。 I've got a boner. #901852