Kaplooi Share definition Flag Kaplooi when something splods or when something explodeds it is the sound it makes. Also a fun word to say. "I just shot the grande launcher at his base and it went Kaplooi!!" Kaplooi by No0b3's Disciple June 9, 2018 0 0 Get merch Get the Kaplooi mug. Buy Now — $32.95 See more merch