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8.
The combination of 10 or more strains of weed, all mixed together in harmony in a joint or dutch.
Hey bro, I've been saving up my bud and collected enough for a Supernova!
by Space Panda November 17, 2011
 
9.
An attack that Sephiroth does that takes five minutes long. During the process of the cut-scene, it shows all the planets being destroyed by a blast until it hits the sun creating causing it to explode dealing a lot of damage to your party of characters.
"All the planets are destroyed over and over a again by the Super Nova.
by Sephiroth December 18, 2004
 
10.
After a hard night at the bars/clubs with no luck, a man will return to his abode and cry. While he is crying, he will whack off to internet porn. At the moment of ejaculation, a tear might hit the semen in midair. This magical moment is called a supernova.
Last Sunday at 3 AM I felt a great disturbance in the force, as if a million voices cried out in terror and were suddenly silenced. I fear a supernova has happened.
by Johnny Sac April 20, 2008
 
11.
a big-ass explosion that happens to a star in da outer space, homie.
yo Neil, float on over here and come take a geez at that Supernova.
by dootfizzle February 02, 2014
 
12.
The greatest thing known to man. A Supernova, also referred to as a "Rock Job", or, "Pop Rock Volcano", is the act in which a dame gives a bro a domer with Pop Rocks candy in her mouth. This is something that should be on anyone's bucket list.
How'd things go with Megan last weekend?

Oh, it was all right. We only held hands. What did you and Ellie do?

She gave me a Supernova... And when she was done, her breath smelled like watermelon.

Lucky
by LAXPUCK19 May 21, 2011
 
13.
Hot in the the sense of looking good or being cool; mainly used as a nickname. Suno for short.
Tay, You are hotter than hot; you're supernova.
by Jt1996 December 21, 2008
 
14.
When you're on the toilet and have to go number two, but you're horny and decide while your in there you'll multi-task, and well, out comes the johnson.
Now timing is everything with this, few have ever succeeded, many will try, but if you do it just right you can cum and drop a deuce at the same exact time; but, there must be simultaneous release, or your just a weird guy crapping and then jacking off.
That is a supernova.... good luck, and good for you.
by b-rian_phx March 28, 2011