Skip to main content
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.

tetraethylmethane 

A chemical compound that looks like swastika when properly wound. Propper IUPAC name is 3,3-diethylpenthane.
A: Look that sign over there! Goddamn neo-nazis!
B: It is tetraethylmethane, you dumbass.
tetraethylmethane by Tibor DP November 2, 2007

Tetrahedral

An insult that has no meaning but will mentally obliterate anyone it is used against. Only use if you plan on never talking to the victim again.
Chad: "John you are such an absolute fucking tetrahedral"
John: *kills himself*
Tetrahedral by Trump gaming October 15, 2020

tetradecaphobia

The fear of the Number 14. Badboyhalo has this specific phobia on his YouTube live streams.
Donated comment on stream: "Bad, you've got tetradecaphobia, the fear of 14"
Badboyhalo: "STOP SAYING 14!!!"
tetradecaphobia by frostyygirl April 8, 2020

love tetrahedron 

Similar to a love triangle, a love tetrahedron is a messy situation where four individual are involved in lies, machinations, and deceipt as a result of love or lust - ultimately ruining friendships and/or changing living arrangements.
1. Paul, Paul's roommate, Bob, Bob's girlfriend Elizabeth, and Elizabeth's best-friend, Sheryl where involved in a love tetrahedron. Bob was asked to move out of Paul's pad.
love tetrahedron by Chaz The Gaz September 1, 2008

tetragrammaton 

Tetragrammaton is the most holy name of God. It consists of only four letters "YHVH".
All knowledge of how it is pronounced is gone , destroyed by time. Many documents contain the word. It is spelt , when translated , "YHVH". Since the pronuciation will forever be a mystery , the word "Adonai" is used in its place. Only a select few knew how to say the name. Moses and King Solomon , son of David be amoung them. For more information , consult "The Greater Key of Solomon" and the Old Testament. Or search google , key word : Tetragrammaton.
tetragrammaton by Andrew Buckley October 14, 2005

tetrahexacontaroon 

The child of a dotriacontaroon, who is someone of 1/32nds black and 31/32nds white ancestry, and a white person, therefore making the tetrahexacontaroon a person of 1/64ths black ancestry and 63/64ths white ancestry. A tetrahexacontaroon has 1 black 4x great grandparent and 63 white 4x great grandparents
I just found out that my girlfriend is a tetrahexacontaroon, it's kinda weird to think about how exactly how consensual the sex between her 4x great grandma and her 4x great grandpa was.
tetrahexacontaroon by HandleBrake12 February 16, 2021
More from Urban Dictionary

Plate of Brown 

A plate of brown consists of foods that have little to no nutritional value, and are typically deep fried. A true plate of brown will also be accompanied by a dark soda.
Wanna go to meal hall & grab a plate of brown?
Plate of Brown by Cheddar Craigson September 18, 2020
Word of the Day on October 22, 2026

Larpenomics

When finance content creators rent out fancy cars and flex cash to seem richer than they really are in order to promote and sell their “get rich quick” courses.
Andrew Tate has mastered the field of larpenomics
Larpenomics by Rbois09 October 21, 2026
Word of the Day on October 21, 2026

Palmela Handerson 

Your hand that you masturbate with.
Girlfriend: What are you going to do for the next week while I'm on holiday?

Boyfriend: Have a visit from Palmela Handerson of course!
Word of the Day on October 20, 2026
x:"Girl your fit chewed today!"
Chewed by iod1o March 30, 2022
Word of the Day on October 19, 2026

Blue Movie 

A pornographic film.

The use of the word "blue" to refer to sexually explicit content was first recorded in Scotland in 1824. "Blue" meant "lewd" because prostitutes dressed in blue gowns.
I found your stash of blue movies under your bed.
Blue Movie by Shayde79 January 20, 2011
Word of the Day on October 18, 2026

fache-couture 

French slang, which translated, means "bull's fashion" but basically equates to "hyper trendy" or overly trendy. Used when a person wishes to express distaste at the latest fashion trend/fad, because it seems that everyone has a certain item of clothing or is wearing it. This term is most frequently heard in Paris but is slowly spreading to other parts of France.
1. That Burberry scarf is so fache-couture.
2. That purple American Apparel hoodie is so fache-couture.
fache-couture by bkgmh46x0x March 18, 2008
Word of the Day on October 17, 2026
Load more