The shaking motion that occurs right up to the point before the vomitis flows from the mouth.

the two man act of pooring beer down your own back, beer runs down your back...into your butt crack.. in your bumhole then drips into the other man's mouth who is starting at the chunderous gooch and drinking the beer

To screw up. Commonly used by disc golfers, especially in Northern California.

not just to vomit
but to have exceptionally CHUNKY barf

Also known as CHEEEUUUUNNDERRR. Refers to vomit, mostly self induced. Can be used to diguise a bulimic.

To project vomit mainly in an upwards direction

also known as the gooch or the grundel