Top Definition
A term commonly refered to as a P5. The act of driving your car up and down main street in the town of falmouth. When you spot a P5 you will most likly also hear loud bass and spot a mustang or other sub par autos with fake spinners or rims perchased at Sears auto centers. Portuguese 500 are seen done by every one that attended FHS.
yo i cant wait to get my spinners from auto zone for tonights Portuguese 500. Portuguese 500
by Tbone1111 May 15, 2007

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