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.
derived noun from teenage (q.v.), 1941. The earlier word for this was teener, attested in Amer.Eng. from 1894, and teen had been used as a noun to mean "teen-aged person" in 1818.