What is Grouper?
1.
An ugly girl with a big mouth who tends immerse herself in group settings.
Mark: Who was that ugly chick back there who wouldn't shut her fucking face?
Jeff: That's Gina, man. She's a huge grouper.
See
2.
Comes from the well known fish species assynidae - often used to describe someone in a non-complimentary fashion. He is a massive grouper - he is a large, fat, "fish" - derogatory term used especially in card games.
Chris Jarvis.
3.
a grouper is one worse than a
Oh man, forget a bulldog chewing a wasp... she's a grouper.
4.
The big fish who is now an uncle
grouper prefers to hit billy bong thorton.