A spell used in Final Fantasy VII by the final boss Sephiroth. He summons a massive comet into the solar system, which proceeds to demolish the outer planets up to Jupiter. It then crashes into the sun, causing it to go supernova and destroy Mercury and Venus. As the sun continuously expands toward Earth, Sephiroth basks in the sun itself, while your party is damaged heavily. The animation for the spell takes nearly 2 minutes to complete.
"Dude, cure your party or Sephiroth will cast Supernova and pwn you."
by bigjimdx October 4, 2006
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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
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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
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A collection of four or more gingers.
A recent supernova of gingers in England resulted in several sunburns to the general populace.
by Didthat1x July 1, 2015
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Shitting and puking at exactly the same time. Usually caused by excessive drinking or food poisoning.
Nik was sooo drunk he did a supernova there and then in the bar
by TipsyGypsy October 11, 2010
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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 22, 2011
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