What did she say?

My husband and I were standing in the kitchen the other day and our little girl walked in talking...and talking...and okay, you get the point, right? Well, she was going on about something being "miss-tiss-eee-us". I looked at my husband with a puzzled expression, I'm sure, and he said, "mysterious". I was shocked to see him understand 'kid talk' better than me! 'magine that?!?