Gaudy neon light accessories placed on the bottom of cars and motorcycles. So named because they are reminescent of the body fluid scanners used on "CSI" and "The Da Vinci Code."
(1) Whoa dude you got a sperm detector for your car? You're big pimpin now.
(2) Wow, look at the sperm detector on that car. What a loser. Visual pollution, I tell you.
by nerak June 12, 2006
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