Suffix, added to the end of a noun. Such words refer to a type of explosion.

A poorly spelt Explosion.

When a baby has such a massive poo that it shoots out the top and/or leg holes of the diaper.

An uncontrollable, extremely obnoxious explosion of pent up comedic energy.

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)

A better said and more straightforward way of saying SUPERNOVA.