noun Etymology: interrogation (point) + bang (printers' slang for exclamation point) Date: 1967 a punctuation mark ‽ designed for use especially at the end of an exclamatory rhetorical question
INTERROBANG
Meaning of INTERROBANG in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012