A roll of 1 dollar bills with either a 20 or 100 on the outside to give the illusion that the holder has more money than he really does.

Originated in the Chicago nouveau riche Polish community as a means of showing off.
Check out Piotr's Polish roll, he ain't really ballin'!
by Illinois Joe June 14, 2012
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Driving in the winter or cold weather with your car windows rolled down while blasting the hot air inside your car.
Paul was being a bitch about how hot it was in his friend's car on the way to school one winter, so Eric the driver decided to roll the windows down and thus started "Rolling Polish". Not to be confused with Rolling Danish!
by HAPTK June 3, 2015
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