from Wiktionary, Creative Commons Attribution/Share-Alike License
- Expresses perplexity, confusion, surprise, or puzzlement (as if telling somebody to try to make sense of the situation).
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. a phrase used by itself as an interjection to mean “How can one explain that?”, or to express puzzlement over some seeming contradiction.
Sorry, no etymologies found.