Wildly excited, even to the point of jumping up and down a bit.
Him: I can't believe you're not goofy boots about this car.
Her: It's nice, I'm just not into cars.
Him: Well I'm giving to you.
Her: REALLY?!! OMG! Seriously? I CAN'T BELIEVE IT!!! OMG! OMG!
Him: Now THAT's what I'm talking about.