damned if I know
Also found in: Acronyms.
damned if I know
An emphatic way of indicating a lack of knowledge about or awareness of something. A: "Is Alex coming tonight?" B: "Damned if I know, he hardly ever talks to me anymore."
Damned if I know
and DIIN and DIIK phr. & comp. abb. I don’t know.; I have no idea. (DIIN is for poor spellers.) Don’t ask me! DIIK.