Dumping?

What exactly is dumping? Today I had some soup it was home made and I took like four sips and had some nausea. I immediately stoped the soup, and afterwards thought hmm wonder if they made the soup with sugar. I know my thoughts exactly but who knows me I do not make chicken soup or turkey shop with sugar but ... who knows what someone  else may do it might be "grandmas secret" meanwhile sherry thought she was going to die I thought dumping was loose bowels? or vomitting? I did not do either just felt the nausea.

I haven't dumped yet, but I'm told it is vomitting, loose bowels, nausea, pouch pain, sweats, cold and clamy, and it was described to me as having food poisoning.
I'm told it can last a few minutes to all day long.
It could have been to high in sugar, but could also just have been something in the soup that just didn't agree with you.

I dumped yesterday on a rtd protein shake by EAS.  It wasn't pleasant.  The funny thing is I didn't have symptoms until 1:00 after drinking it at 9 in the am.  I had abdominal pain for about 45 mins and then it worked its way up and I vomited about an hour or so later.  TMI probably but we are all learning right now.  I thought it would be a good choice to have when I bought them, they had low sugar/carbs, 17g protein, etc.  The only thing I can think of is that it was soy based protein and not like the whey that I have been drinking since I've been home.  I won't be drinking any more but will have to look at the label again to see if I can locate the trigger before I throw them out.

Thank you guys so much for speedy responce. Ok so pretty much my tummy didnt like that soup good thing I stopped when I did. I guess I'm going to play it safe and just stick to the packet broth from the store that says "no suger" and or if I make it myself, Its funny I love ice water and cant drink that now my tummy doesnt like it ... and that is the only way I drink water.