So — my husband's employees bought him a b - day cake that looked like 2 D - sized naked breasts. (nakedpastor.com)
By 1750 the public meaning of naked breasts was largely medical or erotic. (religion-online.org)
In fact, according to Japanese wikipedia, it was censored a bit even in the Japanese edition (although there were lots of loopholes: apparently it's OK to show naked breasts in Jump if they're actually not real breasts but plastic breastforms). (animenewsnetwork.com)