乳 milk

This milk is spoiled; I want some NEW milk.

Milk is a hook that the mother uses to keep the child in the nest.

cow's milk ★★★★★
牛 (cow) + 乳 (milk) = 牛乳 (cow's milk)

nipple ★★☆☆☆ FP
乳 (milk) + 首 (neck) = 乳首 (nipple)

tig ole biddies ★☆☆☆☆ ABU
巨 (giant super huge) + 乳 (milk) = 巨乳 (tig ole biddies)