BUMPTIOUS
ADJECTIVES
1621 ► TURGENT swollen with pride or conceit; bumptious; also, using inflated language
1873 ► BEGOTTY → BIGOTTY bumptious, overbearing, self-willed → Eng. dial.
1898 ► BOUNCEABLE bumptious, cheeky, prone to boasting → Eng. dial. (Bk.)
1905 ► UPSTART bumptious, stuck up, domineering → Eng. dial. (Bk.)
1990 ► ARSEY aggressive, bumptious, truculent → UK sl.
NOUNS, PERSON
1728 ► GAMPHREL a bumptious, foolish person → Sc.
..19C ► PUNK a bumptious but insignificant or contemptible person → sl.
1943 ► BIGNADUO a bumptious person, a boaster, a show-off, one who puts on airs → W. Indies
1945 ► JACK STROP a bumptious or opinionated man; a conceited man who fancies himself a dashing buccaneer, but is better at boasting than acting → nautical sl.
VERBS
1880 ► BUCK → BUKH to talk bumptiously or big, to swagger, to brag → sl.
Lexicophilia 