jam-session (noun) jam session: informal jazz music
Sinonime: Pecksniffian, bigoted, canting, deceiving, false, goody-goody, holier-than-thou,
hypocritical, insincere, pharisaical, pietistic, pious, preachy, self-satisfied,
smug, stuffy, unctuous
Antonime: humble,
meek,
modest