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in a much more powerful or extreme form The brownies and pecan rolls are sweets on steroids, with calorie and fat totals as high as a full meal. She looks like a movie star on steroids, a beautiful woman with big hair and a man-eating personality.
Etymology: based on the literal meaning of steroids (chemical substances taken to improve the strength or energy of competitors in sports)
In a very large, enhanced, or exaggerated form: "a weapon one observer had called an M16 on steroids" (Stephen Coonts).