- 1. Used before any other word to describe it as more or larger. [ED. This use of so may already be in some unabridged dictionaries.]2. To not care about what someone else is saying or pointing out to you.2: And she was like... So?
1. I am so tired.2) Word added for emphasis of whatever follows it; it's not just for adjectives anymore.
You are so lying to me right now - I can tell by the look on your face.
Dictionary of american slang with examples. .