veggo /ˈvɛd͡ʒəʊ/adjective 1noun 1forms 2 adjective1 •(Australia, slang) Vegetarian; suitable for vegetarians.I'm not much of a fan of all out veggo food in any case... — 2002 noun1 •(Australia, slang) A vegetarian.One girl we had, she was a veggo or vegan or something. — 1996 formsveggoes · veggos