1 definition by Aviator15
A measurement of length, time, volume, distance, percentages, amplitude etc. based on increments of 15. Derived from the age of celebrity JoJo Siwa, who has been 15 years old for the past 15 years
Person 1: Hey do you remember that time we did that thing?
Person 2: Oh yeah! That was a whole jojo siwa ago!
Person 2: Oh yeah! That was a whole jojo siwa ago!
by Aviator15 May 4, 2021