Informal Used to express disagreement or an answer in the negative. (interjection)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "uh-uh" in a sentence
"Eight to one, the court said, uh-uh, we're not creating new classes of speech."
"Ms. RODRIGUEZ: Well, here, you know, in its simplest terms, the federal government is saying, uh-uh, states - you know, Arizona, you can't do this."
"We all have stuff in our family, and we usually say, uh-uh, not going there."