Me: Can I have a bottle of H2O please? (smiles)
Me: A bottle of H2O! (smile fades)
Her: What’s H2O?
Me: Water. It is referred as H2O in the world of chemistry.
Her: Oh, I didn’t know that.
Her: Here’s your bottle of water sir. Anything else? Popcorn?
Me: Nope. Thanks.
I don’t know which one of us is more stupid. Me, for trying to be funny by substituting water for H2O, or her, for not knowing what does H2O stand for. For now, I’ll consider both of us as idiots just so I won’t hurt anybody’s feelings.