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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Being a slut
she will deff suck your dick
She's been hanging out with rulers all day
by Impro4ever November 8, 2014
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a ruler that isn't shatter resistant but you smash it against a table anyway, hoping it will break
Jack: Charlotte is this a shatter resistant ruler?
Charlotte: no so don't .....
*Jack smashing the ruler into the table over and over again*
Jack : Charlotte this is a shatter resistant ruler
by mailyobbie October 17, 2017
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a more AWESOME way to say DIO and his stand The World
DIO - Ruler of Shattered Time
by red_sus April 29, 2022
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When you are in a heated debate with someone else and there seems to be no end in sight. To end this altercation between two bro's. This refers to the measurements of the male penis, but in contest form.
Mike: What are you saying? Obama's a great president.

Joe: No he's not he is terrible and isn't getting anywhere with our economy.

Mike: okay let's start Pulling out the Ruler.
by Glotfelty November 9, 2010
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A ruler made out of metal that is inserted into an ass. it is then licked and tasted, and sometimes wiped in other people's faces. It then must be hidden in a drawer in a science classroom for a whole school semester for it to develop into a Michael Heath Butt Ruler.
I found a Michael Heath Butt Ruler in the science lab yesterday. I stole some gloves and threw it into my fire pit.
by ebghjebb February 15, 2017
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Ruler Zig-Zag-Zig Allah (Supreme Alphabet for "RZA")
Slang for RZA from the wu-tang clan.

Using the "supreme alphabet" RZA
R - ruler
Z - Zig Zag Zig meaning from Knowledge to Wisdom to Understanding
A - Allah
Aim the official, initial, is ruler zig-zag-zig allah
All that other bullshit aint permissable
Annual increase of the wu-tang manual
by Nate h September 14, 2006
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