This word is one of the most flexible in the spanish language. It is used to cheer on your favorite sports team, flirt with girls, tell some one to hurry up. Just about every situation where you want to be loud and induce a quick response in another human being.
But I think I have the most appropriate definition for this word, a definition that holds close to the literal translation and also allows me a bit of sentimentality for a phrase we used at home. Dale, roughly translated, means: