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The impact of the bottom of a ship's bow hitting the water during a severe downward pitch.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
slammingThe unauthorized switching of your long distance telephone provider. Unethical marketing organizations contact the local telephone company and claim that certain customers have authorized them to handle their long distance. The company may have obtained your name from a list or spoken to you over the phone with a clever hustle whereby you said yes once to another question. See cramming.
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