These are used in informal settings or intimate relationships, but can be seen as "trashy" or "juvenile" depending on the listener:

: Often considered more aggressive or sexual; many women find it disrespectful. Knockers : A classic British slang term for larger breasts. Jubblies : A playful British term (often "lovely jubblies"). Literary Quotes & Perspectives Top 10 books about breasts | Hollie McNish - The Guardian

: Often used to describe the authentic texture and look of mature skin.