blem [blɛm]noun 2adjective 1forms 1 noun2 •(informal) A blemished item.They're all blems. They're from the dumpster behind an apple-waxing plant in Washington State. — 1997 •(slang) A cigarette, spliff or another intoxicant preparation for smoking.Give up the name, I pattern them / Why you der life, your smoking blem — 2018 adjective1 •Abbreviation of blemished sometimes used on online auction sites. formsblems