from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A punctuation mark in the form of a question mark superimposed on an exclamation point, used to end a simultaneous question and exclamation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The symbol ‽ (combination of ? and !).
interro(gation point) + bang1, exclamation point (printers' slang).(American Heritage® Dictionary of the English Language, Fourth Edition)