pseudogentiliciumed

(/ˌ(p)suːdəʊd͡ʒɛntaɪˈlɪsɪəmd/)

adj.

Of a drinker who has acquired an irregular name for the place they are leaving and insists it is official.

Aleyah became pseudogentiliciumed and announced a new demonym for everyone waiting outside.

Source: Wiktionary