The above headline pretty much sums up what's going on here. There's not a lot we can add, other than that you'll be smiling all day after watching this.
In the video below, two small children are spritzed in the face with water in a manner similar to the way some people spray pets to make them behave.
Suffice it to say, they don't react how pets do. They love it, laughing over and over and over again as if it were the funniest thing in human history: