Answer:
Festivus
Step-by-step explanation:
Traditionally, a Festivus celebration includes certain activities such as the “Airing of Grievances” and the “Feats of Strength”. It is believed that saying “Happy Festivus” to your fellow celebrants adds to the festive atmosphere of the holiday.
Festivus is the name of a secular and non-commercial holiday characterized by the raising of an aluminum pole, the serving of a dinner, the airing of grievances, and the demonstration of feats of strength.