someone who is whiter than white is completely good and honest and never does anything bad.

I never was convinced by the whiter than white image of her portrayed in the press.

• be pipped to the post
• be plain sailing
• be pleased to see the back of
• be pleased to see the back of someone
• be pleased to see the back of something
• be poles apart
• be punch-drunk
• be pushing up daisies
• be pushing up the daisies
• be put on full alert
• be put on red alert
• be putty in hands
• be putty in your hands
• be quaking in boots
• be quaking in your boots
• be quickest off the mark
• be quick off the mark
• be quick on the draw
• be quick on the uptake
• be quids in
• be raring to go
• be ready to roll
• be riding for a fall
• be riding high
• be right in the head