The initial idioms of the letter W

whiskey	whiskey dick
whisper about	whisper around
whispering campaign	whisper sweet nothings
whisper sweet nothings in (one's) ear	whisper
whistle	whistle (one) down the wind
whistle a different tune	whistle at
whistle Dixie	whistle for
whistle in the dark	whistle-blower
whistler	whistle-stop tour
whistle-stop	You ain't just whistlin' Dixie
whistling in the dark	white around the gills
white as a sheet	white elephant
white flag	white hat
white knight	white knuckle
white knuckler	white lie