popsy

noun3

1. •
   (informal) Father.

   • Dear Popsy, I need your help. Mother writes that if I don't return the leg immediately she will come to the school and take it by force. You must stop her, Popsy. — 2013
2. •
   (slang, old-fashioned) A girl.

   • Pilots are often interested in nothing but popsies, kites, and beer. — 1943
3. •
   (informal) Grandfather.