The phrase "a squeaker of a" is correct and usable in written English.
It can be used to describe something that is very close or narrowly achieved, often in a competitive context.
Example: "The game ended in a squeaker of a victory, with the final score being just one point apart."
Alternatives: "a narrow win" or "a close call".
One such voter explained, "I knew this was going to be a squeaker of a contest, and I wanted to be extra sure that Saddam got my vote.
If he resigns from office, that could mean one less committed vote in what is expected to be a squeaker of a competition for superdelegate support.
A squeaker of a victory is unlikely to win him the momentum, either in voter enthusiasm or among donors, that he needs to continue to the convention in August, which he has vowed to do.
ALINA ZAGITOVA WINS FIRST GOLD MEDAL FOR OLYMPIC ATHLETES FROM RUSSIA In a squeaker of a figure skating showdown between two Russian phenoms.
In the end, yes, the Cubs prevailed in a squeaker of a Game 7 that wreaked havoc on the cardiac circuitry of more than a few diehard fans.
But imagine a crazy America, one where the new president, a notoriously temperamental and dishonest oligarch, had just won a squeaker of a victory after an election that amounted to a year and a half of bitter struggle for the entire country.
Mayor Michael R. Bloomberg, after prevailing in a squeaker of an election, headed to Paris for Alsatian fare and Côtes du Rhône wine.
Indeed, by the time the campaign ended, with Santorum scoring a squeaker of an upset victory, his positions had crystallized.
(Last year Harris won a squeaker of an election, which is a reminder that even in a huge state like California every single vote matters).
Donald Trump is elected president in a squeaker of an election influenced partly by Russian hacking efforts that according to US intelligence agencies led to emails from Democrats being circulated widely.
And while Democratic state Assemblyman Anthony Portantino would have still kept his seat, his 64.2% margin of victory of young Tea Party challenger Alvaro Day would have dropped to a squeaker of 53%.
