Definition of technicolor yawn in English:

technicolor yawn

noun

informal, humorous
  • An act of vomiting:

    ‘she looked as if she was about to do the technicolor yawn’
    • ‘It's hard to believe she could drink more than a sherry glass of cider without unleashing a technicolor yawn into the gutter, so to speak.’
    • ‘Others - those of a more sensitive constitution - got a whiff of the technicolor yawn and followed suit in a domino effect of chundering.’
    • ‘And, what else can one do but take the ‘technicolor yawn’ in the face of a meaningless and absurd universe?’