South-hater 

someone who hates the Southeast region of the United States of America (colloquially known as "The South") or someone who hates the American South.

Kay Slay is a South-hater because Kay Slay hates The South.

South-hater by Southern-Belle February 25, 2009

Southwater Grunt 

A Southwater Grunt is a Fresh water fish commonly found within the depths of the Great Lake Michigan.

The phrase 'Southwater Grunt!' on the other hand is rhyming slang (usually spoken with emphasis) to describe somebody as a CUNT. The phrase can be narrowed to 'Southwater' if used with the same emphasis.

The phrase has found to be extremely popular with the people of Essex, UK.

"oh and I see that Nick the other day, what a Southwater Grunt!"

Southwater Grunt by Burnsyboy December 23, 2010

Southwater Grunt 

Southwater Grunt can also be used to describe all Arsenal fans.

Mr Burns: Hey Arsenal played really well last night, I think I'm in love with Jack Wilshere...

Mr Binny: Shut up Mr Burns your such a southwater grunt

Southwater Grunt by Danny Bins January 11, 2011