The stainless steel rod they stick in your penis and open up to scrape the inside of your uretha when having an STD. It looks like an antenna going in and mini umbrella when it comes out. The doctor will first insert a large hollow needle down the end of your penis, he will the pass another instrument through the centre of the needle, this opens up when it reaches the end, like a metal umbrella, both are then pulled out with the end scraping the inside of the penis, this cleans and also takes a sample, the doctor will then check your rectum for for large anal boils, please note most people who have a STD will lose all there teeth within 3 years.
Damn dude that hooker Kelly gave me VD and the bitch @ the health department had to give me the steel umbrella!
by LMNFB April 06, 2011

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