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."
DIIN
A texting or typing abbreviation for "damned if I know," an emphatic way of indicating a lack of knowledge about or awareness of something. "Know" in this case is spelled "no." A: "Is Alex coming tonight?" B: "DIIN, he hardly ever talks to me anymore."