What does Angry Porpoise mean?

Angry Porpoise meaning in Urban Dictionary

It begins with a male performing his companion from behind. A man after that removes his user through the vagina placing the end against their lovers asshole like he is attempting anal sex. The feminine straight away looks back once again on male making a dolphin or porpoise sound..."Ehh Ehh, Ehh Ehh"...as if saying no way.