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1.
1. unexpected and/or uncontrollable ejaculation upon the learning of a particularly apt new word or phrase

2. the ejaculate produced in such a situation
Neolojism was a serious problem among Frankfurt school theorists, and it is rumored that Foucault never procreated not because of his sexual orientation, but instead, because he wasted all of his seed in this manner.

Elliott, was just a freshman when he wrote the working paper on ramen noodles in which he coined, among other neologisms, "ramen hangover." Upon reading the paper, Professor Stevens felt a mysterious cool sensation in his pants, and sending a spelunking hand into his pants to explore, found a copious amount of ejaculate. Elliott gasped, and with a surprised tone, asked, "Professor Stevens, is this your first experience with neolojism?"
by Elliott February 16, 2005
 
2.
ne·ol·o·jism
Pronunciation nee-ol-uh-jiz-uhm

noun
1. a new word, meaning, usage, or phrase that was coined unnecessarily, probably in a juvenile effort to coin a term for the sake of coining the term.
2. the introduction or use of useless, clumsy new words or poorly conceived alternative senses of existing words.
3. a new doctrine, esp. a new interpretation of sacred writings, in which one acquires sexy results.
4. (Psychiatry.) a gush of new words, often consisting of combinations of other words and gibberish, that is understood only by the speaker: occurring most often in the speech of schizophrenics and drunken fraternity members.

-Related Forms
ne-ol-o-jizz, verb
ne·ol·o·jist, noun
ne·ol·o·jis·tic, ne·ol·o·jis·ti·cal, adjective
Rather than providing examples of the usage of the word neolojism in a sentence, it will perhaps be more useful to provide examples of neolojisms in the wild. For example, "convergasm" is an ill-conceived portmanteau of "converse" and "orgasm" that fails to be both useful and amusing. The same can be said of "conversatanist" and "discuntled", though only the latter example could ever see reasonable use among losers.

On the other hand, "plumplex" is an example of a neolojism that makes no sense in addition to being useless, and it suffers additionally due to its marked lack of intuitive grace. The term "spreebz" is merely goddamned retarded and should have been rejected by the editors.

Overall, more than 60% of all of the Urban Dictionary will be neolojisms, with 20% of that number being passably amusing.
by gadiv December 03, 2008
 
3.
The fluid emission resultant of the orgasmic sensation caused by coining a new word (a.k.a. a neologasm).
My Underoos were laden with neolojism after I spent all night submitting words to Urban Dictionary.
by logjammin January 21, 2009
 
4.
a brand-new dirty word, especially one concerning seminal fluid
"The Urban Dictionary," said His Holiness, is so replete with neolojisms for semen, like spooge and spuzz, that I'm going screen-blind."
"Well then," smirked the papal nuncio, with an eyeward sign of the cross, "Dominus vobis...cum."
"Just remember, Skullcap," deadpanned H.H., "who in this room is wearing the Red thong under his cassock and who is wearing the White."
by Brain Man's Halo April 14, 2008