What does "And so" mean?
"And so" is an idiomatic phrase that means "so", "therefore", "as a result", or "and then". It is mostly used to introduce another action or the result of an action that is introduced before. It can also start the beginning of a new sentence that is the result of the previous. "And so" has the same meaning as "so", but it is more informal. Ex: It has been raining nonstop for the past week, and so the streets are flooded. Ex: I didn't get a lot of sleep last night and so I am exhausted today.