insufflation n (medicine) blowing air or medicated powder into the lungs (or into some other body cavity) n an act of blowing or breathing on or into something Usage(s) That of course, is down to months of rigorous training, including practicing a technique called glossopharyngeal insufflation, or lung packing. That of course, is down to months of rigorous training, including practicing a technique called glossopharyngeal insufflation, or lung packing.