👉 Breastie is a phrase that originated in the UK and refers to someone who enjoys or has a strong interest in something related to breasts. It can also be used as a slang term for someone who is sexually interested in someone who has a large,丰满的乳房。 The term "breastie" is often used in casual situations, such as when talking about the size of someone's breasts, and it might also mean being attracted or interested in something related to breasts.