| Idiom | Meaning | Example | 
| death wish | 
saying you want to die, inviting death
 | 
To challenge the Mafia would be a death wish. It would be suicide.
 | 
| deathbed | 
(See on your deathbed)
 | 
 | 
| deck him | 
knock him down, cream you
 | 
Tony decked him in the first round of the boxing match.
 | 
| deck out | 
decorate; attach ornaments, lights, etc.; customize
 | 
His truck was all decked out with chrome trim and colored lights.
 | 
| deep, dark secret | 
very private information, confidential information, on the QT
 | 
I'll tell you about my past, but not my childhood. That's a deep, dark secret.
 | 
| deep pockets | 
rich, wealthy, filthy rich, loaded
 | 
Jerry can pay your legal fees. He's got deep pockets.
 | 
| deep six | 
in a six-foot-deep grave, pushing up daisies
 | 
If you overdose on coke, you're deep six, man.
 | 
| deep sleep | 
sound sleep, restful sleep, sleep like a log
 | 
I was in a deep sleep when the fire started, but I woke up and
phoned for help.
 | 
| deke you | 
deceive you, fool you, sucker you
 | 
He'll try to deke you. He'll fake one way and go the other.
 | 
| deked out of his jock | 
tricked out of position, outplay, stickhandle
 | 
Mario skated in on the goalie and deked him out of his jock.
 |