mylohyoideused

(/ˌmʌɪ.lə(ʊ).hʌɪˈɔɪ.di.əsd/)

adj.

Of a drinker: furnishing the mouth's floor with more confidence than the evening's conversation requires.

Nalleli was mylohyoideused, speaking from the depths of the mouth with unwarranted anatomical authority.

Source: Wiktionary