An event that would be appropriately defined as "priceless". This is not to be confused with a "Kodak Moment" because not all Mastercard Moments should be seen again.
"Did you see that Barista glare at me? I laughed so hard I was crying. It was a Mastercard Moment."
A Japanese and Fapanese fetish artist who cumposed music about her own sexual experiences and participated in the opening and ending theme songs of the TV anime Gu-Gu Ganmo under the name of Suzie Masturbara until her death on October 7th, 2004.
Miki Masturbara was the pornagraphic queen of J-pop.