waltz around
To walk or dance around some place in a happy or elated manner. From the way he's been waltzing around all morning, I'd say Todd's date last night went pretty well. We waltzed around the kitchen when we found out Mary had gotten into Harvard.
waltz around something
Fig. to move around or through a place happily or proudly. She waltzed around the room, very pleased with herself. Who is that person waltzing around, trying to look important?