the intensely pleasurable sensations generated by using, hearing or coining a new word or phrase (that doesn't suck). Frequent neologasms have been proven to reduce the biological age of both the speaker and the listener. Neologism + orgasm.
Him: Volunteers submit over 1000 new definitions to Urbandictionary every day. It ain’t fo the money; it’s all about the neologasms.
Her: Oh baby!