If there is a stampede, a group of people or animals run in a wild, uncontrolled way.

If a group of animals or people stampede or if something stampedes them, they run in a wild, uncontrolled way.

If a lot of people all do the same thing at the same time, you can describe it as a stampede .

If people are stampeded into doing something, they are forced into doing it by pressure from other people, even though they do not think it is the right thing to do.