Origin of pint-size
Examples from the Web for pint-size
The pint-size prez gave the pep talk of the year, encouraging people everywhere to take risks and make the world a better place.Rob Ford, Kid President, What the Fox Say?, and More Viral Videos|The Daily Beast Video|December 29, 2013|DAILY BEAST
Mickey Cohen is a pint-size Mob boss with friends like Frank Sinatra, Sammy Davis Jr. and Billy Graham.
And as a result, US Four Seasons hotels routinely hand out Ty toys to their pint-size guests—Marvelous Malia is presumably next.