walk right in

walk in

To enter some establishment or event as a casual attendee. We encourage all patients to make appointments, but we do offer a clinic in the morning where you can simply walk in. We've had people walking in all evening, so we actually had a decent crowd by the end of the night.
See also: walk
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

walk right in

to enter on foot without hesitation. He went up to the door, opened it, and walked right in. Please just walk right in!
See also: right, walk
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also: