Yakamatsu Share definition Flag As defined in the PD Tulsa dictionary: Yakamatsu is Japamerican for "You Can't Make This Shit Up" The server crashed 4 times in one day and our SAN environment is trashed! Response: Yakamatsu (You Can't Make This Shit Up) Yakamatsu by Greasefire May 15, 2009 0 0 Get merch Get the Yakamatsu mug. Buy Now — $32.95 See more merch