亲家奶奶

親家奶奶
qìngjiānǎinai

co-mother-in-law

Wiktionary

Entry Composition

1 亲家 qìngjia
  1. parents of one's daughter-in-law or son-in-law
  2. relatives by marriage
=2 奶奶 nǎinai
  1. (informal) grandma (paternal grandmother)
  2. (respectful) mistress of the house
  3. (coll.) boobies
  4. breasts

classifier: 位
=2 奶奶 nai¹nai¹
  1. (dialectal) breast
  2. breast