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The vocal or textual high-pitched expression of joy at an item pertaining to nerd or geek culture just learned. Extrapolated from Stimpy's squeal of joy from the Ren and Stimpy show.
Jay: "Hey, Bruce Campbell is coming to the local Sci-Fi convention this year."

S.Bob: "Nerdsqueal!"

"They just found a new Exoplanet that shows signs of life! Nerdsqueal!"
by Grafikman December 19, 2013
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