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(Noun) A small, purple, rat-like creature only found in the fictional world of Pokémon. Since 1999, these rodents have managed to destroy the childhoods of all those who have played the game (Pokémon) and lived on to tell the tale.

Being known to attack when making sudden sharp turns or riding a bicycle in tall grass, one can justify that this is one of the main reasons to why the teens of today are so irritated and, on occasion, extremely flamboyant (see 'scene kids'). It is also a major cause for severe mental disabilities due to the loud, sudden noises this creature brings when it appears.
AH FUCK! I'm out of repels. Alright... move very slowly. Don't make any sudden movements...

*RING RING RING* A WILD RATTATA APPEARS!

FFFFFUUUUUU-
Rattata by Miragemelody August 19, 2009

Krung Thep Mahanakhon Amon Rattanakosin Mahinthara Yuthaya Mahadilok Phop Noppharat Ratchathani Burirom Udomratchaniwet Mahasathan Amon Piman Awatan Sathit Sakkathattiya Witsanukam Prasit 

the ceremonial name of Thailand's capital, Bangkok
Krung Thep Mahanakhon Amon Rattanakosin Mahinthara Yuthaya Mahadilok Phop Noppharat Ratchathani Burirom Udomratchaniwet Mahasathan Amon Piman Awatan Sathit Sakkathattiya Witsanukam Prasit, Thailand
Ever met the kind of person who you don't really like at all, but who has the annoying habit of constantly appearing almost everywhere you go? That's a Rattata. The Rattata is the person who you can never seem to get rid of short of taking out a restraining order (and even then they'll find a way around it). They don't seem to get the message that they're not wanted around.

Named after the Pokémon Rattata, which is one of the most common (and annoying) Pokémon encountered in the wild.
Hey Richard, stop being a Rattata and piss off.

That Simon is such a Rattata, I wish he would just leave me alone.
Rattata by Loquacious_T March 27, 2011
Ratanak is and amazing guy that can charm you but can hurt you too. Ratanak is hot and strong but can be cocky with his friends around. With his girlfriends he will make the relationship not a big deal but Inside he is dying to have a night with you alone. He will always want to buy you expensive things to make you happy but really he’s just trying to get your attention. No matter what he will always be by your side with any situation and will stick up for you. He’s Hot and Smart but might not always get the girls in the easier way.
Ratanak is a Hotttieeee and Richiieeeeee
ratanak by imboredatschoolrnaf November 14, 2017
Rattata, a usually always Lvl 3 piece of shit pokemon. It is always is the starting areas and they come up out of nowhere to fight you. No-one shows this pokemon respect as it is a weasel rat.
A Rattata appeared!

Gamer : Yeah...no. (Runs Away)
Rattata by Legs You Legend October 29, 2009

Rattanavong 

A last name used in the Asian country Laos. Pronounced most commonly "Ruh-tan-uh-vong" or "Ruh-tawn-uh-vong". "Rattana" being the name and "vong" being the common suffix used for Laotian last names. People with this last name are usually definitely Laotian. This is an awesome last name, anyone with this last name is probably an awesome person.
What's your name?
Chris Rattanavong.
Oh! You must be from Laos
Well, my parents are. I was born here.
You're so cool
Rattanavong by Sabaidee August 26, 2013
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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