airing of grievances (related terms: festivus, real festivus) 1. the tradition of festivus begins with the airing of grievances. 2. with the family gathered around they’re told “all the ways they have disappointed you over the past year” 3. quote: “I got a lot of problems with you people! And now you’re gonna hear about it! You, Kruger. My son tells me your company stinks!” 4. episode: The Strike