noun
breast enlargement; breast enhancement
Wasei-eigo from 'bust up'. Refers to exercises, massages, or products aimed at increasing breast size or firmness. Common in beauty and health contexts.
wasei-eigo (Japanese-coined English), from bust up
バストアップのために毎日マッサージをしている。
I do a massage every day for breast enhancement.
このサプリはバストアップに効果があるらしい。
This supplement is said to be effective for breast enlargement.
noun
upper body photograph; bust shot
Photography term for a portrait framing the head and shoulders, similar to a bust shot. Less common than the beauty sense.
証明写真はバストアップで撮影してください。
Please take the ID photo as a bust shot.