mail, usually consisting of advertising matter, appeals for donations, or the like, sent simultaneously to large numbers of possible individual customers or contributors. Abbreviation: DM
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.