vom /vɒm/exclamation 1noun 1verb 1forms 3 exclamation1 •(informal) An exclamation of disgust.Someone brings their cute kid on stage with them, sings with it. Boo, hiss, yuck, vom; cute kids belong at home and in soft-play centres, they have no place on stages. — 2016 noun1 •(informal) Vomit. verb1 •(informal) To vomit.Bogle the diplomat tried to hide the sound of his gagging as he vommed the night away. — 1998 formsvommed · vomming · voms