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To publicly make a fool of yourself when trying to make another look foolish. For instance, to accidentally dox yourself when trying to dox another.
Did you see that guy give out an eclipse photo file to prove there is no earthshine during a total eclipse, only to have the other people find earthshine in that photo, talk about pulling "a Riley."
a Riley by GaryMoore September 12, 2017

A Riley Reid 

When an older teen (usually female ) sexually assaults a younger teen (usually male)
I Pulled A Riley Reid on my little brothers friend in the movie theater on the weekend
A Riley Reid by RylieReed June 30, 2020

A Riley Ginger 

A real gym junkie. Enjoys gay porn thoroughly. Really likes the way he is PROGRESSing. All men should hit him up. He supports flip-out and all trampoline companies. Thinks he is good.
Boy: Woah i heard about that Riley Ginger Geezer
Other Boy: Yeah i heard he licked a mans balls
Boy: Woah that hot!
Other boy: He a Riley Ginger
A Riley Ginger by UrNanGayFam March 31, 2019

Pull a Riley 

Meaning to tell someone to “get gone”, usually used after someone tells you they have feelings for you.
To pull a Riley means to tell someone to get gone (get lost, go away)

Example:

“Hey ;)”

“Get gone.”
Pull a Riley by bigtiddienev May 19, 2019

Doing A Riley 

Slang for saying Taking A Pee.

Origin: Riley on a live stream(Youtube) took a pee and it echoed thru the Youtube Channels and Discord Servers.
"BRB, i gotta go take a Riley" - Bob
Bob is Doing A Riley
( To urinate)

"Dont worry...(insert liquid pouring sounds) Im just pouring an other glass of wine...Its not a Riley."

"I gotta Riley so bad"

Riley is Defined to any relativity to urine.

Aka Doing A Riley
Doing A Riley by Mallory Bowser September 6, 2022

Doing a Riley 

Doing a Riley is when you have messaged someone on Facebook and it says they have seen it, but they haven't replied
Boy 1: Has she replied yet
Boy 2: Nahh She's Doing a Riley
Doing a Riley by steveopizzapie March 28, 2013
More from Urban Dictionary

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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