bubby

noun2

1. •
   Familiar term of address for a boy; bub; bubba.

   • Mother sent me to hunt you; she is dying, and sissy and bubby are hungry and the baby is crying, and we're afraid the cross man will come. — 1862
2. •
   (slang, old-fashioned) A woman's breast.

   • Chlo: What do you mean (uncivil as you are) / To touch my breasts and leave my bosome bare? / Daph: These pretty bubbies first I make my own. — 1685