What does sober mean to you?

We were in the kitchen talking about our wedding and weather man dad says: "And I was even sober!"

Lollie (10) spouts out: "Wow, that's amazing!"

She's trying out sarcasm and everynow and then she gets it just right... but this surprised us a bit. I said: "Do you even know what sober means?"

Lollie: "Yes."

Me: "What does it mean then?"

Lollie: "Serious."

I thought we were going to die laughing... she used her sarcasm very well if I don't say so myself.