Redu 

A mentally disabled east Indian

Abibulah: oh no our dinners born mentally imparted.....guess we should have a redu and hopefully get it right this time

Redu by MrEMan MEM October 21, 2020

Redu 

A mentally handicap eastern Indian

The eastern Indian couple had a redu child so they tried again for a normal child

Redu by Merman mem November 10, 2021

harm reduction

The practice of providing advice and helpful suggestions to a novice regarding potentially dangerous activities in the hope that they will heed the advice and not cause hurt or harm to themselves or others.

Practicing harm reduction Keith showed Brittany how to IV drugs. According to him he didn't want the wrong person showing her the wrong way, because he knew she was headstrong.

harm reduction by Nikki Stixx December 9, 2018

reduction of order 

Reduction of order is a technique in mathematics for solving second-order ordinary differential equations. It is also a technique used in restaurants by math geeks who change their order to an amount less than originally requested.

I went to McDonald's and ordered two Big Macs, but I changed my mind and ordered only one. They didn't like my reduction of order.

reduction of order by murr2k March 14, 2009

urban redun-dunce 

(n.) a person who posts redundant definitions to Urban Dictionary.

Joe: "Hey, I'm gonna add a word to Urban Dictionary."
Frank: "Oh yeah? Which word?"
Joe: "Booty."
Frank: "But there are already more than 100 definitions for that word. Is your definition original?"
Joe: "No, not at all."
Frank: "That makes you a total urban redun-dunce."

urban redun-dunce by Dylanphile February 4, 2012

Redumbdant 

The act of using your turn signal to take an on/off ramp on the highway, and leaving it on for the duration of the entire circle.

Spoken in rage to the car in front of you: "I can see that your turning right, TURN OFF YOUR GOD DAMN SIGNAL YOU'RE BEING REDUMBDANT!"

Redumbdant by Crepuscular March 28, 2015

redunk 

adj. used to describe something insane, unimaginable, crazy, inhuman, or cruel

"Wow, that Chemistry midterm was redunk. I got pwned"
"Dude, did you see that girl. Man, she was redunk!"

redunk by Giuseppe and Louis January 11, 2006