: a public expression of greeting, praise, or acknowledgement directed toward a person or group often as part of a performance, recording, or broadcast
She opened her acceptance speech with a shout-out to James Baldwin, the author of the book on which the movie was based, calling him "one of the greatest artists of our time." Neal Justin
Here are a few lyrical shout-outs to some of hip hop's favorite designers. Scott Poulson-Bryant
She even gave a shoutout to one of her former teachers on Twitter, and encouraged others to do the same. Emily Sweeney