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An explosion of nostalgia after remembering a past experience by listening or watching something
I just had a nostalgiagasm last night after I heard they're remaking Pokemon Gold and Silver.
by Lackie-Chan March 09, 2010
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2
An experience of nostalgia so intense as to reach the pleasure levels of orgasm.
Hey, did you see Zack Morris on Jimmy Fallon last night? Total nostalgiagasm!

I was playing Secret of Mana on the Wii Virtual Console and had a nostalgiagasm. Buying Super Mario RPG now!
by Takfam June 09, 2009
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3
noun to find oneself excited to the point of orgasm while experiencing something from ones past.
Dude I was playing Earthworm Jim and I had a nostalgiagasm.
by MunkyBrain69 July 08, 2010
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4
An emotionally ejaculatory experience brought on by an intense wave of nostalgia.
Had an intense nostalgiagasm last night whilst listening to The Pet Shop Boys . It was actually too much. Had to turn it off right in the middle of "Being Boring".
by Dictionnaire Diabolique January 25, 2017
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