AN addictive impulse; a chain-reaction, normally related to food. When you start, you Just can’t stop. Olives, peanuts, chips, etc- you just can’t get enough of them. pile them in until they run out! And you normally have the next one ready to go right after...
At the movies, Anthea experienced an acute bout of Pistacchio Syndrome when she grabbed Mark’s large tub of popcorn and finished it off without offering it to anyone.

Junior started biting his thumb nail, and finished off the other 9. He was grounded by his parents for negative Pistacchio Syndrome
by Sonny Saint April 12, 2020
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