Meaning:
2-dimensional 
adj.
lacking the expected range or depth; not designed to give an illusion or depth
di Idiom, Proverb
a blessing in disguise
a problem that becomes a benefit or advantage The rainstorm was a blessing in disguise. It stopped the fire.
a budding genius
a child who appears to be very intelligent "The newspaper described Pam as ""a budding genius"" on the violin."
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
a manufactured penis, a vibrator shaped like a penis """When Ed's away I use a dildo."""
a dime a dozen
very cheap, low priced, dirt cheap He can remember when eggs were cheap - a dime a dozen.
a horse of a different color
a different matter, a separate issue If he wants to buy the land, that's a horse of a different color.
a humdinger
a beautiful car etc. a well-designed product Dad, you should see this coupe. It's a humdinger!
a sick building
a building with polluted air or insufficient oxygen This is a sick building. The air contains toxic fumes.
according to Hoyle
according to the rules, if we follow the rules According to Hoyle, it's your turn to deal the cards.
beg to differ
have a different opinion, disagree with "When I stated the cause of the loss, he said, ""I beg to differ."""
bleeding heart
one who begs for sympathy for victims, have a soft spot... "Hector is a bleeding heart for wolves. ""Save the wolves,"" he tells people in his speeches."
blessing in disguise
(See a blessing in disguise)
blind leading the blind
someone who doesn
boarding (hockey)
checking into the boards, chairman of the boards Boarding causes serious injuries to hockey players.
boozing buddies
friends who drink liquor and party together In those days, Billy and I were boozin' buddies - pals.
budding genius
(See a budding genius)
by dint of
as a result of, because of By dint of her efforts alone, this family is happy and healthy.
crocodile tears
a show of sorrow that is not really felt He cried crocodile tears when he discovered that he couldn
cross my heart and hope to die
promise sincerely I'll pay you back on Friday, cross my heart and hope to die.
dance to a different tune
talk or act differently (usually better) because things have changed He has begun dancing to a different tune now that he knows that his head salesman is thinking of quitting.
dead-eye Dick
a person who can shoot accurately We call him Dead-eye Dick. He can shoot the dot off an i.
deserve credit
deserve praise or thanks, give her credit David deserves credit for finding the lost keys. Thank you, boy.
dibs
(See first dibs)
dicey
" uncertain; taking too much of a chance."
dick
penis, dink, dork, hoo-haw With all these winter clothes on, I can't find my dick.
did good
did well, did a good job, done good I watched you ride that horse - you did real good!
did yourself proud
did a good job, did well, did good, done good That was a great dinner, Nora. You did yourself proud.
diddly squat
nothing, not a penny For all that work, he gave me diddly squat - not even thanks.
didn't have a stitch of clothes on
naked, nude, birthday suit, in the buff When the kids go swimming they don't have a stitch of clothes on.
die down
gradually stop, diminish, drop off "When the laughter died down, I found my false teeth, put them in my mouth, and said, ""Excuse me."""
die for
"want very much; in the worst way" I'm dying for a cup of coffee! I'll have an Espresso, please.
die hard
change slowly, continue to be strong, you can't teach... Some men still want to be the head of the family. Old beliefs die hard.
die off
die one after another until the number is small The house plants began to die off as soon as he moved to a new apartment.
die out
die or disappear slowly until all gone Dinosaurs died out millions of years ago.
die with one
die while still active in one
died in the wool
confirmed, certain of his beliefs, card-carrying ... A died-in-the-wool democrat - that's me. I believe in democracy.
dig a little deeper
try harder, give a little more The coach asked the team to dig a little deeper, to give their best.
dig deep
give more money, dig a little deeper We'll all have to dig deep if we hope to achieve our goals.
dig/dig it
like, enjoy, relate to Ole digs the Beatles. His favorite song is Norwegian Wood.
dig in
begin eating Let
dig in their heels
hold their position, not yield or move "If we discuss money, he digs in his heels. ""No raises,"" he says."
dig it up
dig the garden, dig to uncover a buried object Remember where you bury the treasure, because some day you may want to dig it up.
dig me
understand, get my drift """I don't like you to take my car. That's gonna stop, dig me!"""
dig your own grave
cause your own failure, cut your own throat When you criticize the manager, are you digging your own grave?
dig yourself in
make it worse, say or do something that aggravates "When he insulted the policeman, I said, ""Don't dig yourself in."""
digs
apartment, house, pad I'm having a party so everybody can see my new digs.
dildo
(See a dildo)
dilly
(See it's a dilly)
dillydally
go very slowly, pause too much Sarah, you come straight home from school. Don't dillydally.
dime a dozen
(See a dime a dozen)