Lemonade.
or
He was trying to fetch a boomerang
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Finding a cabinet position for the thing on his head!
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It doesn't matter, they don't have any electricity any more.
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Two. One to screw it in, and one to stab the other in the back and take all the credit.
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Five. One to screw it in and four to tell him how bitchin' he looked doing it.
or