乳交 Traditional form: 乳交 Pinyin (reading): rǔjiāo Definitions: mammary intercourse Characters: 乳 - breast, nipples; milk; to suckle 交 - to connect; to deliver, to exchange; to intersect; to mix Traditional characters: 乳 - breast, nipples; milk; to suckle 交 - to connect; to deliver, to exchange; to intersect; to mix