Wanky corporate term used to celebrate meaningless events on a yearly basis rather than letting them die their deserved mundane death from international history.
Corp type: I need to anniversarize this trade plan.
A celebration of a longterm bromance. Generally acknowledged in larger increments such as the Silver (25 years) and Gold (50 years). The official date is typically recognized as a month or year to allow for multiple celebrations.
Matt and Jason have been best friends since the 7th Grade and will be celebrating their 25th Annibrosary in August of this year