Nealojizm can mean two things
When you see Urbandictionary's word of the day and its great, then you jizz your pants.
When you make a word and its positively amazing, so you cant help and jizz your pants due to its greatness.
Bob: Wow, i just got an amazing feeling when i just added this new word ' barbers surprise ' ( http://www.urbandictionary.com/define.php?term=barbers+surprise )
Ben: That Bob my friend, was a Nealojizm ...