Derigidification 

When you're on your friends lap in a car and things get weird when you hit a bump.

Today Sally and I felt Derigidification during the school field trip to the aquarium .

Derigidification by HideYoKidzLadyz May 20, 2014

Swear Word Derangement Syndrome 

A mental disease where a person can't say any kind of not-so family friendly swear words. It was discovered in the Coloradan city of Denver in October 1940, had no full name and the full term was coined in 1958. This mental disease is also found on families where has their children born with horrific mental health conditions.

The creator of this definition on UD himself has Swear Word Derangement Syndrome. He also can't say swear words on his own films.

Swear Word Derangement Syndrome by Ryan900USAYT January 12, 2022

Tea Party Derangement Syndrome

A mental disorder for which symptoms include extreme paranoia about those who desire more freedom from a corrupt, oppressive government, fiscal responsibility and adherence to the Constitution.

May also include

Tea Party Derangement Syndrome

Tea Party Derangement Syndrome by Jiveslives June 9, 2014

Derfing 

Sex with clothes on

Cooper: hey Claudia wanna go derfing later?

Derfing by Derfingyurrrmom October 30, 2019

deranged 

adj.-insane, crazy, eccentric

Calvin and Hobbes-Attack of the DERANGED Mutant Killer Monster Snow Goons

deranged by Grant May 13, 2005

derping around 

1. Verb - Aimlessly wandering when you could have been doing something useful.

1. Derp: Hey man, what were u doing in the market?
Herp: Nothing man. I was just derping around.

2. Mom: Stop derping around on Facebook and study.
Son: Shut up, woman.
Mom: WHAT DID U SAY??? Herp derp.. blah blah.. blah blah.... No XBox for a week.

Son: Okay...

derping around by gunslingerpro January 23, 2012

Obama Derangement Syndrome 

The state of paranoia in which people fear President Obama so much, they stop thinking logically and stop using common sense. Usually a direct result of watching too much Fox News.

Announcer: This is Skeeter.

Skeeter: Kenyan, Muslim, Communist, Socialist.

Announcer: Skeeter is suffering from Obama Derangement Syndrome.

Skeeter: He bowed to other world leaders. He had a hip-hop barbecue.

Obama Derangement Syndrome by potterfreak98 October 26, 2012