also: はらぼて
noun
visibly pregnant; showing a baby bump
Colloquial, often used in casual conversation or online. Can refer to the state of being visibly pregnant or to a person who is clearly showing.
彼女、もう腹ボテだね。
She's already showing, isn't she?
腹ボテの人が優先席に座っていた。
A visibly pregnant person was sitting in the priority seat.
Standard, neutral term for pregnancy. 腹ボテ is a casual, somewhat playful expression focusing on the visible belly.
Compound of 腹 (はら, 'belly') and ボテ, a mimetic word suggesting a round, bulging shape. The exact origin of ボテ is uncertain, but it is likely related to onomatopoeic words like ぼてっと (plump, chubby).