ruler dick

Penis measuring 12" in length
Your girlfriend said I had a ruler dick
by LJBee August 07, 2017
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Ruler dick

A penis that measures at 30cm or more, the average size of a ruler.
1. She say that I got a ruler dick

2. Man I got a ruler dickz
by rymaxam October 26, 2017
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magic dick ruler

The imaginary measuring device guys in personal ads use to measure their penises. The MDR adds anywhere from 2 to 5 inches to the length of a penis.
Ad-reader: "Wow! This guy has 10 inches! Check out this ad!"
Friend: "Maybe if you're measuring with the magic dick ruler..."
by Edo Alonge January 23, 2008
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