Dunk/dʌŋk/ Definition 1 of 2Pro Tip 1/3Quick Action Emphasizes sudden immersion, usually followed by immediate removal from the liquid. Dunk the donut briefly to soak up some coffee. Pro Tip 2/3Food Pairings Often used with foods that are dipped in beverages, like cookies in milk. Kids love to dunk cookies in milk. Pro Tip 3/3Not Submerge Dunking suggests brief immersion, not leaving something in liquid for long. Dunk your paintbrush, don't leave it submerged.