腹が立つ / 腹を立てる (to get angry)
idiom31 sentences
A body-part idiom literally 'the belly stands up,' meaning 'to get angry, lose one's temper, be annoyed.' Appears in two syntactic forms: the intransitive 腹が立つ (the anger 'rises' on its own, often contracted to 腹立つ in casual speech) and the transitive 腹を立てる (the subject actively 'raises' their belly — becomes angry). One of many Japanese expressions mapping emotions onto body parts, especially the belly (腹) as the seat of inner feeling.