NOTE: This only works if you remember the exact date you met
Rosalie: Ohmigosh!!!
Alice: What???
Rosalie: What day is it??
Alice: The nineth, why?
Rosalie: It's our friendaversary!!! We have known eachother for one yeartoday!!!!
1. The celebration (on a chosen day) of your length of friendship with a particular friend. Like an anniversary but without the promise of sex afterwards.
2. Acknowledging the tenure of friendship you've had with someone by arranging a special "hang-out" day.