adj. Synonym of infectious, totally legit.
That zambombie is so inflectious.
Mispronunciation or misspelling of a word which starts off only being used in a small group, but catches on to a much wider group. Happens a lot in the world of management consulting where words are bastardised on a regular basis and then become part of the standard vernacular.
The way he pronounced that word was wrong, but it sounded cool so the rest of the team started pronoucing it the same way. It was inflectious.