>> Reporter: TRUMP PUMED OUT A CHAIR AND DROPPED B-WORD. >> IT'S HAPPENING, BIGLY. >> Reporter: NOT ONCE BUT TWICE.
>> WE'RE BRINGING MANUFACTURING BACK TO THE U. S. BIGLY.
>> Reporter: INSPIRING "U. S. NEWS & WORLD REPORT" TO REPORT TRUMP PUSHES FOR BIGLY MANUFACTURING REVIVAL.
BUT IT WAS ALSO THE REVIVAL OF BIGLY, A WORD OFTEN ATTRIBUTED TO TRUMP DURING THE CAMPAIGN. >> I'M GOING TO CUT TAXES BIG LEAGUE AND YOU'RE GOING TO RAISE TAXES BIG LEAGUE. >> WE HAVE TO SOLVE IT BIG LEAGUE AND STRONGLY AND THAT'S WHAT'S HAPPENED.
>> Reporter: WHAT DID HE SAY? WHAT WE NEED IS AN ACOUSTIC WAVE FORM AND SPECK TO GRAPHIC ANALYSIS. ACTUALLY, A LINGUIST AT THE UNIVERSITY OF CALIFORNIA, BERKELEY, DID THOSE TESTS AND DETERMINED THAT TRUMP WAS SAYING -- >> BIG LEAGUE.
BIG LEAGUE. >> Reporter: BIG LEAGUE. NOT BIGLY.
THOUGH BIGLY IS IN THE DICTIONARY. >> BIGLY? BIGLY?
>> Reporter: AN ADVERB MEANING IN A BIG MANNER. >> WE'RE GOING TO WIN BIG LEAGUE. >> Reporter: CUE THE MOCKERY, WIN BIGLY?
GOOD GRIEF. WE WILL MAKE AMERICAN WIN BIGLY AND GRAMMAR LOSES GOODLY. MAKE AMERICA BIGLY AGAIN.
>> BIGLY. >> NOT FUNNY. BIG HI NOT FUNNY.
>> AMERICA'S GOING TO START WINNING AND WINNING BIGLY. >> Reporter: BUT BIGLY BEGAN LOSING WHEN AN INTERVIEWER ASKED THE DONALD HIMSELF WHAT HE'D BEEN SAYING. >> I USE BIG LEAGUE.
>> I WAS RIGHT. BIG LEAGUE. YOU'VE SETTLED IT.
>> OKAY? >> Reporter: THAT DIDN'T STOP MERIAM WEBSTER FROM HONORING BIGLY AS THE MOST LOOKED-UP WORD THAT WAS NEVER ACTUALLY USED IN 2016. NOW PRESIDENT TRUMP IS NOT USING IT AGAIN.
>> IT'S HAPPENING BIGLY. >> Reporter: THE GOOD, THE BAD, AND THE BIGLY EVEN MADE IT ONTO A T-SHIRT. WE NEED TO CUT BIGLY DOWN TO SIZE.
