The initial idioms of the letter D

damned if I do, damned if I don't	Damned if I know
damned if (one) does and damned if (one) doesn'	Damned if you do, damned if you don't
damn well	damnedest
Damocles	sword of Damocles
damp down	damp off
damp squib	dampener
damper	damp
dance at wedding	dance attendance (up)on (someone)
dance attendance on	dance card
dance on air	dance on the razor's edge
dance out of step	dance out of time
dance to	dance to another tune
dance to (one's) tune	dance to tune
dance up a storm	dance with
dance with death	dancer