What is Panina?
1.
When the penis is so far up the vagina it becomes like one.
*moaning* O- oh i think we have a panina
See
2.
A Penis-Vagina.
Used when someone has a very small penis, is a transexual or has both a penis and a vagine. Therefor it is a Panina.
He/She has a panina!
See