| Idiom | Meaning | Example | 
| white knuckles | 
a tense feeling, acute worry
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Driving through fog is scary - it's white knuckles all the way.
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| white lie | 
a small lie, a fib
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"You said you were 39, not 40." "Yes. I told a white lie."
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| whiz | 
urinate, pee, piss,[B] have to go, take a leak  [B]
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A few minutes after the concert began, my daughter whispered, "Mommy, I have to whiz."
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| who cares | 
does anyone care, does it matter, so what
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"So my car pollutes the air - who cares?" "I do. I care."
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| who do you think you are | 
do you think you are famous? do you think you are a superstar?
 | 
You said Hi Dubbya to President Bush! Who do you think you are!
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| whole hog | 
every effort, all your energy, gung ho
 | 
When I play racquetball, I work hard. I go whole hog.
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| whole shebang | 
(See the whole shebang)
 | 
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| whole shooting match | 
(See the whole shooting match)
 | 
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| whore blossom | 
pimple, cold sore, zit
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Every time I eat shortbread, I get whore blossoms on my chin.
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| whup you | 
defeat you in a fight or game
 | 
Ali said, "I can whup you with one arm tied behind my back!"
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