Definition of interrobang in English:

interrobang

Pronunciation /inˈterəˌbaNG/ /ɪnˈtɛrəˌbæŋ/

noun

  • A non-standard punctuation mark (‽) indicating a question expressed in an exclamatory manner, as in what are you doing‽.

Origin

1960s blend of interrogative or interrogation point and bang (sense 4 of the noun).