the result of the excitement of one's nerdy or geeky tendencies. Usually when someone gets excited about some new game, technology or tech-device. Having a nerdgasm can sometimes result in fainting.

A moment of intense orgasm-like excitement shared by two nerds over a topic they're both familiar with.

When someone gets excessively excited over something totally nerdy.

Nerd love overload

A nerdgasm is a sudden, euphoric, blissful feeling brought on by mention or example of a deep abiding knowledge of all things nerd. Nerdgasms can be felt by any and all people with an honest and sincere interest in science fiction, sci-fi/fantasy, and heroic, writings, teachings, cinema, and television. Nerdgasms have also been known to occur in the act or conception of roleplaying, collectible card games, and eletronic games. Finally the last known cause of nerdgasms is the collection or viewing of rare or otherwise hard to find nerd memorabilia. Note: nerdgasms and nerds are not to be confused with geekgasms and geeks.

Strange and seemingly sexual noises a person of 'higher intelligiance' may make when witnessing something technologically explicit.

A sudden burst of joy caused by a person's unexpected exposure to something with which they have intimate knowledge.