1 definition by LilCajun337

the person who scopes out a particular road before a street race takes place. Essentially a lookout. When he gets the race's termination point and gives the all clear, the race can commence.
"If we would have had a sweeper, nobody would have gotten pulled over."
"Hey bro, you mind playing sweeper tonight?"
by LilCajun337 April 16, 2015
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