pompous
     adj : puffed up with vanity; "a grandiloquent and boastful
           manner"; "overblown oratory"; "a pompous speech";
           "pseudo-scientific gobbledygook and pontifical hooey"-
           Newsweek [syn: {grandiloquent}, {overblown}, {pontifical},
            {portentous}]
Source: WordNet® 2.0