shrinky /ˈʃɹɪŋki/ adjective2 •(informal) Showing a tendency to shrink (get smaller).They marveled at how the Shrinky Dinks could be so shrinky while preserving their form so beautifully. •(informal) Characteristic of a shrink (psychologist).Don't get all shrinky on me. My distaste for cigars has nothing to do with childhood trauma. formsshrinkier · shrinkiest