What is Serial Sevens?
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1. A psych test measuring cognitive ability where subject counts backward from a random number in increments of seven.
2. Any difficult mental calculation.
Explained in The Contortionist's Handbook by Craig Clevenger.
"I can figure out how much we all owe if you just let me see the bill... it isn't serial sevens."
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Random Words:
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A Dark down cerature with black curculer lines on all legs and around the body most people use it for sex or some for training on in run..