interjection. Kaboom! Kablooey! Kerblooey! Kerflooey!
Real citation: "things i avoided today: (1) killing a cat. a cat that had a collar and tags, obviously a neighbor's pet. (2) smasho-crasho into two cars parked along the opposite side of the street on which i was traveling."
("bad day, good day," Nov. 27, 2002, orangecat comes over to play, http://orangecatplays.blogspot.com/2002_11_24_
Made-up citation: "The last 15 minutes of Jackie Chan's Police Story are like a bouquet, a buffet of violence--smasho-crasho, mega-destructo, Jesus holy shit Christ!"