To do a Heston fist is to shake your fist vigorously in the air and cry out "damn you" and then add thing to be damned.
While wanting to type: "I had the best week of my life." on an iPhone, the autocorrect feature changed it to: "I had the best weed of my life."

Sandra made a Heston fist and cried out: "Damn you autocorrect!"
by Pantera Ruber November 23, 2010
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