Possible Clues:

• Comparing phrase
• Run like the wind, e.g
• A figure of speech
• 'A miss __, perversely, as good as a ____'?
• As slow as a snail is going back close to the distance
• "Sharp as a tack," for example
• Be visibly pleased about current device, comparatively speaking
• 'As American as apple pie,' for example
• Comparison makes one break into a grin
• Tough as nails, e.g