Chunders is a slang term used to describe vomiting or being sick. It is commonly used in Australia, New Zealand and the UK. There are many synonyms for this rather unpleasant activity. Some of the most common include throwing up, puking, hurling, heaving, retching, gagging, upchucking, regurgitating, spewing, disgorging, and barfing. These words are usually used interchangeably, depending on the context and the individuals involved. Whether you're feeling queasy or have had too much to drink, there is no shortage of ways to describe the act of chundering. However, no matter what word you use, it's never a pleasant experience for anyone involved.