Top Definition
An impulse bomb that blows off and all sound is lost for thousands of miles. Followed by a wave of heat and radioactive chemicals. The explosion itself is so powerful that the location where it goes of turns into a mile wide blackhole. For a split second you can see a mushroom cloud larger than any other, before being sucked into the blackhole.
Wow that was a huge symptonicexplosion!
de Robert E. Lee 12 mars 2005

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