|a daredevil||a daring person, bodacious, take a chance||What a daredevil! She jumped across a ten-foot chasm!|
|a dead giveaway||a clear signal, an obvious sign||The smile on her face was a dead giveaway that she got the job.|
|a dead heat||a race that finishes in a tie for first, dead even||A photograph of the finish line proved that it was a dead heat.|
|a dead loss||a complete loss, a write-off (see write it off)||The spoiled meat was a dead loss. We couldn't eat any of it.|
|a dead ringer||a very close likeness, like a twin||Chad is a dead ringer for Mel Gibson. They look like twins.|
|a dickens of a time||a difficult task, a task with problems, a hell of a time||After the car slid in the ditch we had a dickens of a time getting it back on the road.|
|a different kettle of fish||different, not the same||A cult is not a religion. A cult is a different kettle of fish entirely.|
|a dildo [B]||a manufactured penis, a vibrator shaped like a penis||"When Ed's away I use a dildo."
"Oh. That's interesting."
|a dime a dozen||very cheap, low priced, dirt cheap||He can remember when eggs were cheap - a dime a dozen.|
|a dog's age||a long time, 10-15 years, a coon's age||Mel! I haven't seen you for a dog's age - at least ten years!|