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Kotomora

勃たつ

た
つ

Meanings

1

godan verb (-tsu), intransitive verb

to have an erection; to become erect

Colloquial term for penile erection. Often used in casual or vulgar contexts. The kanji 勃 is specifically associated with erection, distinguishing it from 立つ (to stand).

See also: 勃起 · 立つ