姨奶奶

yínǎinai
  1. father's mother's sister (coll.)
  2. great aunt

CEDICT

colloquial

Entry Composition

1 姨 yí
  1. mother's sister
  2. aunt
2 奶奶 nǎinai
  1. (informal) grandma (paternal grandmother)
  2. (respectful) mistress of the house
  3. (coll.) boobies
  4. breasts

classifier: 位