(n) A zit that appears on the skin of a person before a special occasion such as family gatherings, professional photo ops, parties, extravaganzas, dates, and holidays.
Example: I have been so excited to finally go on a date with Russell. Not suprisingly the day before our date I got a special occasion zit.
Example: Tomorrow is our family reunion! I will get to see people I haven't seen in years! Some people are coming that I haven't even met. I hope I don't get a special occasion zit.