bloviation


blo·vi·ate

B0338950 (blō′vē-āt′)intr.v. blo·vi·at·ed, blo·vi·at·ing, blo·vi·ates Slang To discourse at length in a pompous or boastful manner: "the rural Babbitt who bloviates about 'progress' and 'growth'" (George Rebeck).
[Mock-Latinate formation, from blow.]
blo′vi·a′tion n.

bloviation

(ˌbləʊvɪˈeɪʃən) nUS a lengthy but insubstantial speech