When an actor speaks a line that strikes a chord with black theatergoers, many of them will say "Uh-HUH!"

WSJ: Theatergoers: Can I Get an Amen? | Sightings by Terry Teachout

Ms. SANTOBONI: And her response was, uh-huh.

NPR: Woman: Countrywide Proposed Fibbing to Get Loan

Uh-huh, but what's to be done?

WSJ: Henninger: Presidential Followership