Flaselblasm Share definition Flag (noun) The sudden tearing/explosion which occurs when hot dogs are boiling in water and burst their skins. The sudden flaselblasm in her microwave oven surprised Smith. Flaselblasm by StrangeCharmVote September 6, 2014 0 0 Get merch Get the Flaselblasm mug. Buy Now — $32.95 See more merch