A nickname made by
the JoJo's Bizarre Adventure for character
Josuke Higashikata in part 8 of the long running manga for when he has a conversation with his girlfriend, Yasuho Hirose as a codename due to the fact he has 4 testicles.
Yasuho "Oh I got a message, I wonder who
sent it"
*
Clicks*
"Meet me at the park at
3:30,
Daddy 4-Balls"