To joon is to squeezeejaculate out of your member in order to ‘assure you get the most of your masturbation’. It’s similar to the brainrot term, ‘goon’.
Joon baba is made by 2 persian word. joon means dear and baba means dady.
when it comes together it means hey hottie. it is used when you want to call a hot chick. It is also common to use it from a boy to another then it means i can fuck you.