noun
god-tier breasts; incredible boobs
Slang term used mainly in otaku, idol, or adult-content contexts to praise exceptionally attractive breasts. Often hyperbolic and playful.
あのグラビアアイドルはまさに神乳だ。
That gravure idol truly has god-tier breasts.
ネットで「神乳」と話題の新人女優。
A new actress who's being talked about online as having 'incredible boobs'.