doughboyEtymologyFrom dough + boy; its use to refer to an infantryman is unknown, but dates from 1847, during the Mexican–American War.doughboy means An American infantryman, especially one from World War I. Lexicurio rates it Distinctive — a strength score of 68 out of 100.nounAn American infantryman, especially one from World War I.“The "dough boys" were loaded into army wagons drawn by mules, and with the cavalry at the flanks the relief column started.”A kind of flour dumpling.Frybread.