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1.
Metaphoric in nature, a hydroponic heart is found in a cold, uncaring, indifferent person. Hydroponic refers to somewhat sterile, artificial growing conditions, such as hydroponic crops.

Originally coined by Shakira, a Columbian pop singer.
This relationship is over, I need some caring, loving and emotion in my life, not you and your hydroponic heart.
by JustMeMan May 13, 2006