Largest of New Zealand's three main islands, known colloquially as "The Mainland". It lies between the North Island, a small overcrowded crime-ridden mishapen blob of muddy rock also called the "Pig Island", and Stewart Island, the nuggety wee island of hard-case good types (about the same size and shape as Tenerife) which hangs off the bottom of NZ.

The South Island is approximately 1000km long and 250km wide and has a population of just over 1 million.

The South Island is home to New Zealand's best scenery, skiing, mountains, lakes, rivers, hunting, fishing, 4WD tracks, empty highways, and all the other great things that make the men of a country truly manly.

It also has all New Zealand's best beer (Speight's, Monteiths, and Canterbury Draught), tastiest steak, and most gorgeous women.
Smoking hot millionairess foreign super model: "I see that even for a New Zealander, you're incredibly manly, hunky, and rugged, but also funny, and sensitive in the old-fashioned non-gay way."

Average South Island bloke: "Well yeah, I'm from the South Island."

Foreign etc: (swoons) "Take me to your island paradise and let me have your babies!"

SI guy (checks out her superb rack): "Well, maybe. Can you cook?"
by Flash the Squirrel February 21, 2011
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A school with people in it, no drugs (I think), and no innapropriate behaviour (i think)
weee woooo South Island School
by suppadoge@ October 8, 2020
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Texas' premier party place. The home of boobs, beer, and beach. The ultimate spring break destination for all college alcoholics.
Let's go get laid on South Padre Island!
by whatdidyouexpect August 28, 2008
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I huge mound of turd that when freshly deposited into a toilet piles up above the water level, much like the way the South Pacific islands were formed from lava piling up from undersea volcanoes.

This phenomena I more frequently occurs in the newer, low water usage toilets. As an added touch, you can plant a small flag on top of it to claim it as yours.
I just found a South Pacific Island in the crapper. It's still steaming.
by Im Uncle Sticky November 15, 2014
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