yeah, yeah (,yeah)

informal A dismissive phrase commonly used to express impatience, frustration, or incredulity with what the previous speaker has said. Yeah, yeah, we've heard it all before. Now when is your organization going to start taking steps toward real change? A: "And then my dog ate my homework, I swear." B: "Yeah, yeah, yeah. Tell me what really happened." A: "I might have forgotten about the assignment." A: "There we go."