Waltz into a place

Meaning

To enter a location with great confidence or ease, often without waiting for an invitation. It usually implies the person is a bit entitled or oblivious.

Sassy, observational

Used in a sentence

• He just waltzed into the meeting five minutes late like he owned the place.
• You cannot just waltz into a private party without an RSVP.
• She waltzed into the kitchen and started eating my breakfast.