overbust measurement

size

(colloquial) a girlfriend (a female partner in a romantic relationship)

(formal) Female third-person singular pronoun; she, her, girlfriend

(literary) they (about women or girls)

(fashion) bust size / woman's breasts

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

(informal) beautiful bust (breasts)

(informal) increasing the size of one's chest / (informal) of one's chest, becoming larger

top (highest point or position) / (web design) opening page; index page / Ellipsis of トップバスト.