An effect caused by smoking a seed in a bowl(as in the bowl of a pipe,bong,zong,hooka,etc) where the seed explodes because it gets so hot when you are lighting the bowl-o-weed. This happens most commonly when you are smoking shake,shitty weed,or when you get skimped on a bag of weed by your dealer.
(For the slower people, its short for dank explosion and when you say it abbreviated it makes an "s" sound, not an "x" sound)
(person) Dude, Trevor sold us hella shitty weed. This is bullshit.

(friend) I know. There's bin like 8 Dank-splosion's already and we're not even half way through the bag.
by DaNk DaDDy January 5, 2010
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