Top definition
When a nerd becomes extremely excited by something nerdy

Orgin: Colbert Report 2006
Tom had a nerdrection when he found out the release date for Spore.
by Claw December 06, 2006
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Jul 28 Word of the Day
to sport a boner, fly the sail at full mass, rock hard, etc.
"I had a lot of cartoon characters that used to get me sexually aroused as a kid... The female reindeer from the Rudolph claymation series, when I was in preschool, I used to be bricked up watching that shit." -Jack Harlow
by real_philly February 11, 2020
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2
A literal sexual arousal induced by esoteric hobbies not appreciated by a reality loving populus.
Yo krazy karl gets a nerdrection whenever he watches starwars.
by Phenomally December 07, 2006
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3
When a nerd experiences or anticipates a certain event that is expected to have a positive effect, she or he receives a certain swelling in her or his nether region.
When members of my cast heard you were coming on my show, they received a nerdrection.
by Nicholas A B December 04, 2006
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