smarm UK /smɑːm/US /smɑɹm/noun 2verb 2forms 3 noun2 •Smarmy language or behavior. •(slang) A style of fan fiction in which characters are warm and caring toward each other but without sexual overtones. verb2 •To fawn, to be unctuous. •To address in a fawning and unctuous manner.He rose ... on his wife's fortune and judicious smarming of powerful people. — 1957 formssmarmed · smarming · smarms