to dance a waltz:
They waltzed elegantly around the dance floor.
2 [intransitive always + adverb/preposition] informal
to walk somewhere calmly and confidently - used to show disapproval
waltz in/into/up to
Jeff just waltzed up to the bar and helped himself to a drink.
She can't waltz in here and start making changes.
waltz off with somethingphrasal verb
Joe must have waltzed off with my jacket.
waltz through somethingphrasal verb
to pass an examination, win a game etc very well and without any difficulty