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1.
the act of exploding and imploding at the same time... it happens everywhere and everything is Insploding
dude did you see that bulding insplode... yeah so did that one
by Horizontalwolf September 29, 2010
 
2.
An inspired explosion.
The cat insploded. Now don't go insploding, son!
by NeoDement February 15, 2006