Ostentatious about smoking pot, he puffed away with the zeal of a recent convert, as if he had personally discovered marijuana.

ostentatious (adj) 1: intended to attract notice and impress others; ”an ostentatious sable coat” [syn: pretentious] 2: of a display that is tawdry or vulgar [syn: pretentious, kitsch] – source: Easy Riders Raging Bulls, p. 57