Devil of a job

Devil-may-care attitude

Diamond in the rough

Die down

Die in one's boots

Die is cast

Die laughing

Die of a broken heart

Die off

Die out

Die with one's boots on

Difficult to stomach (someone or something)

Dig (someone or something) up

Dig (something) out

Dig in

Dig in one's heels

Dig one's own grave

Dig some dirt up on (someone)

Dig someone

Dime a dozen

Dine out

Dip into (something)

Dip one's toe in the water

Dirt cheap

Dirty look

Dirty one's hands

Dirty work

Dish out (criticism)

Dish out (food)

Dismiss/reject (something) out of hand

Disorderly conduct

Disturbing the peace

Dive right into something

Divide (something) fifty-fifty

Divide and conquer

DIY

DJ

DNA

Do (someone's) bidding

Do (someone's) heart good

Do (someone) good

Do (someone) one better

Do (someone) out of (something)

Do (something) by hand

Do (something) in a heartbeat

Do a double take

Do a job on (someone or something)

Do a land-office business

Do a number on (someone or something)

Do a snow job on (someone)

Do an about-face

Do away with (something)

Do credit to (someone)

Do in (someone)

Do in (something)

Do justice to (something)

Do not have a leg to stand on

Do one's best

Do one's bit/part

Do one's duty

Do one's thing

Do or die

Do something by the book

Do something rash

Do the dishes

Do the honors

Do the trick

Do time

Do with (someone or something)

Do with (something)

Do without (something)

Do wonders

Dog and pony show

Dog in the manger

Dog-eat-dog

Doll (oneself) up

Dollar for dollar

Don't give up the ship

Don't hold your breath.

Done for

Done in

Done to a T

Done with (something)

Donkey's years

Doomed to failure

Dose/taste of one's own medicine

Double back

Double check (something)

Double date

Double up

Double-cross (someone)

Double-talk

Doubting Thomas

Down and dirty

Down for the count

Down in the dumps

Down in the mouth

Down on (someone)

Down on one's luck

Down one's alley

Down the drain

Down the hatch

Down the line

Down the tubes

Down to earth

Down to the bone

Down to the last detail

Down to the wire

Down with (an illness)

Down-and-out

Down-at-the-heels

Down/out for the count

Drag in (someone or something)

Drag on

Drag on (someone)

Drag one's feet/heels

Draw (someone) out

Draw a blank

Draw a line between two things

Draw blood

Draw fire

Draw first blood

Draw in one's horns

Draw interest

Draw lots/straws

Draw the line

Draw to a close

Draw up (something)

Draw up a contract

Draw up an agreement/contract

Dredge (something) up

Dress (someone) down

Dress up

Dressed to kill

Dressed to the nines

Dressed to the nines/teeth

Drink like a fish

Drive (someone) up a wall

Drive (something) home

Drive a hard bargain

Drive at (something)

Drive somebody nuts

Driving force behind (someone or something)

Drop (someone) a line

Drop (someone/something) like a hot potato

Drop a bombshell

Drop a hint

Drop around

Drop back

Drop by

Drop by the wayside

Drop dead

Drop everything

Drop in (on someone)

Drop in one's tracks

Drop in the bucket

Drop names

Drop out of school