Chunder

[Britney]

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.

[Britney]

Australian. To vomit.

[Little_Girl]

Being sick and vomiting. I believe it originates from watch under, for when someone vomits from an elevated location.

[Tanya Shivari]

vomitus horrendous

[Becky]

Verb: to vomit. Most commonly used when concerning someone who has been sick as a result of heavy alcohol consumption.

[Couch Potatoe]

to vomit from drinking too much

[Donald Trump]

Rocky, uneven, low-quality pavement. Used by longboard skateboarders to describe treacherous road surfaces.

[Donald Trump]

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.

[Sarah]

choppy, tracked out inconsistent snow