I can think of numerous D words, but the closest I can get to a favourite is the show Daria, but that was pretty short-lived.  I'm sure if I saw an episode now it wouldn't have the same appeal.

dill pickles

Dirty Dancing (movie)

Diet Coke (   :( can't have any   )

Dill (pickles/seasoning/chips)

Daffodils

Doctor Who

Dill (the fresh herb)

Day lillies

Dragon fruit

Days when I can sit in the sun

Drinking Tea

dollhouse

diamonds

dreams

doodling

drinking coffee

Dragonflies

dahlias

Dad

Daniel (my brother)

dolomite

dolorous

daschund

doggerel

defenestrate