Informal Something, such as an election, that is won, passed, or achieved by the narrowest of margins or at the very last moment.(noun)
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 "squeaker" in a sentence
"That's not a "squeaker" -- it's not a huge margin, but it was absolutely decisive."
"So even though we've told you this is going to be a squeaker, that is House Speaker Nancy Pelosi saying that we are going to have the votes for this when it comes down to it, Don."
"Otherwise, even if he wins in a "squeaker," he's proven that he's teflon."