By Tobias Carroll It’s incredibly fun to say the word “hangry” — but it’s far less enjoyable to actually experience it. In 2018, “hangry” went from insightful portmanteau to an official addition to the Oxford English Dictionary, though its first use dates back to decades earlier. As an Eater article from 2019 observed, it’s a word that comes up in countless ways, from advertising campaigns to DIY apparel. And now, a new study has revealed the scientific basis for the hangry feelings that frustrate many of us. Smithsonian Magazine detailed the results of a new study with a very understandable o…