shake on it(redirected from shook on it)
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shake on (something)
To grasp someone's hand as a sign that both parties agree to or on something, such as a deal or arrangement. I'd like my lawyers to look over the details of the contract before we shake on it. After several months of negotiations, I think we're now ready to shake on the deal.
shake on it
To confirm an agreement with someone by shaking hands. I can't believe he broke his promise to me after we shook on it and everything! I agree to the terms of this deal, so let's shake on it.