Top Definition
A phrase describing the act of placing only the drive wheels of a vehicle on a frozen body of water (lake, pond, etc) and depressing the accelerator to determine the vehicle's maximum possible speed.
I wanted to max out my car, so i took it to the Poor Man's Dynamometer.

The lake down town is turning into a perfect Poor Man's Dynamometer.
by Longfingers December 20, 2010

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