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a booty that's in a ratio of at least 5:3 to the waist, well rounded, juisy and jeans-filling. has a bounce on it too
daaaaaaaaaaaaaamn, she got a phat assssssss
Phat ass by Danger Mouse_1 May 11, 2006
The perfect ass. The ass that an ass man would only dream of. The requirements for a phat ass are as follows: it must be firm enough not to be sloppy, it must be very round, it must exceed the waistline by at least 3 inches, and its owner must let you experience it.
Sam: Whoa look at that phat ass on that girl
Matt: Damn, id like to cut me a piece of that pie
Bogart: Me like asshole
Sam: No Bogart, its the ass we like, not the asshole
Matt: Whats wrong with you Bogart
Bogart: Me like the asshole!
phat ass by cohencock November 18, 2009
Yo Nikki you got a phat ass.
Phat ass by fishy boy 69 May 30, 2019
girl must have a thin waist, then have a round full booty, which has to have a bounce when she walks
Damn bro, did you hit Amber's phat ass last night?
Hell yeah, she couldn't walk after that
phat ass by Mike1234 September 21, 2008

Illusory Phat Ass 

This is the illusion the majority of basic girls on Instagram and Tinder create in their pictures to make it appear as if they have a phat ass. Generally these girls will bend their bodies close to a 90 degree angle (practically breaking their back) or stick one of their legs out to achieve this illusion. They also will only take pictures from the side or from any other strange angle that can create such an illusion.
John: Dude, this chick looks hot as hell. Look at her ass! I should definitely swipe right
Brad: No, swipe left. She only took pics from side and she’s bending in all her pictures. She has an illusory phat ass
Illusory Phat Ass by ClapDemCheekz December 12, 2019
a girl that has a nice round soft ass that i love 2 squeeze and it bounces when she walks but it isn't sloppy
Damn!she got a phat ass
phat ass by Lil Red AKA Cherry November 5, 2007
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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