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12.
This was the first ever Australian or antipadean word and started in the ports of UK so its around 250 years old.
When passengers went aboard the ships, they where told by the captain to shout "watch under" before they puked. it would have very quicky become chunder, try shouting "watch under" just before you puke. because it started on the ships, it did not get to the british shore, until rececntly, however It has now come full circle to the uk shore with all the Aussies coming back here and of course from Aussie soaps, plus that song from the Aussie band "crowded house"
by Bushwakker February 01, 2010
 
1.
Chunder means to be sick, it originates from old seafareing days when sailers would get seasick and stick their head out of the porthole in their cabin. As they did this they would shout "Watch Under" to warn people in lower cabins of the forthcoming puke. Over the years this has evolved in Chunder.
Peodophiles are sick, they make me want to Chunder!
by Pinkbum May 13, 2004
 
2.
Australian. To vomit.
Have you ever wondered what it meant when they said "...and women chunder" in that 80's song, "Land Down Under"? Now you know.
by Caribou November 13, 2005
 
3.
Being sick and vomiting. I believe it originates from "watch under", for when someone vomits from an elevated location.
I'm not going to be the designated driver while barhopping anymore; people keep chundering in my car.
by Two11two March 07, 2007
 
4.
vomitus horrendous
Johnny drank 5th of scotch and went down on his old lady culminating in a chunder blunder.
by mr. cutty January 20, 2004
 
5.
Verb: to vomit. Most commonly used when concerning someone who has been sick as a result of heavy alcohol consumption.
Yeah, last night was awesome..... that is, until Jimmy chundered all over the carpet.
by Harriieee April 14, 2009
 
6.
to vomit from drinking too much
girl 1: i drank way too much last night
girl 2: did you chunder?
by oakbayhigh2011 December 31, 2009
 
7.
To hurl

or

A kayaking term meaning to get a beat down in a hole, reversal, or some other nasty feature. It sucks to be chundered.
That puss-cake chundered after only 3 beers. Lets chief him.

I hit the boof but got my tail caught on the landing so i got chundered in that hole and broke my fucking paddle
by MrMojoRisin' October 21, 2007