Place it at the end of a disagreement, after the other side stops pushing back, so it closes the scene instead of starting a new joke. Put a hesitant protest just before it to make the surrender feel earned, then follow it with a surprised reaction to sell the sudden change of mind.
Об этом звуке
This short clip captures Brazilian television host Silvio Santos saying 'É! Tá bom!' in a bright, teasing voice that stretches the agreement into a joke. It feels playful and triumphant, like giving in with a grin after a long back-and-forth. The line comes from Santos's long-running Brazilian television shows, where his exaggerated delivery made the phrase a familiar catchphrase.