J&J Effect 

A situation in which two individuals, who were once in a relationship but are no longer together, continue to have sex with each other on a regular basis and still act as if they are in a relationship. Alcohol and or drugs enhances this effect to unknown levels.

Observer 1: What's up with Jim and Amanda? I thought they broke up?

Observer 2: They did, but they're caught in the J&J Effect.

Observer 1: Oh, I see. It's a sad sight to see.

Observer 2: Indeed

J&J Effect by Razilla Killa April 12, 2010

Luke J Effect 

When one believes they are invincible as they are a large distance from the origin of abuse or bullying

The Luke J Effect can be used to describe someone who has been a little bitch and moved away to prevent physical harm.

Luke J Effect by Efish Elite November 24, 2021

J-Lo Effect 

The act of wearing tight pants to make your butt look bigger.

Don: Are your pants painted on or something!?
Liza: No why do you ask!
Don: Looks like you're tryna get that J-Lo Effect gurrrll...

J-Lo Effect by Rei[: July 21, 2009

The J.K Rowling Effect 

When an author tries to make their content more relatable by outright stating lore instead of including it in their media.

Joe: Do you watch TANKMEN?
Candice: No, It was ruined by the J.K Rowling Effect

The J.K Rowling Effect by JackqavisYT July 20, 2021

The J.R. Effect

When a bullheaded person is ill-trained, in charge, and singlemindedly opposes a large team of intelligent dissenters, and this stubborn decision causes severe loss, that is the J.R. effect

Usage note: The J.R. effect is often preceeded by what is known as the chewbacca defense.

Everyone told him not to heat the lava lamp on the stove, but he explained the model of the chemical structure of the subatomic particles and the flashpoint reaction -- we don't know what the fuck he was talking about. Anyway, now he's dead with a shard of glass through his heart as a result of the J.R. effect.

The J.R. Effect by Coder February 8, 2005

j. lo effect 

when someone looks younger for their age.
(jennifer lopez is 50, and she looks like she is 30)

person 1: yo, she is really 25? she looks younger!

Person #2: yeah! she looks 16, that's crazy...

Person #1: that's the j. lo effect. she is blessed to have that.

Person #2: I want to look 20 at 30, dawg.

j. lo effect by memelordboi69 March 5, 2020

J.D. Vance Effect

A political term describing the phenomena where a political candidate's polls or chance of winning an election is compromised by the mere endorsement of a particular person, typically another political figure and typically that of a foreign country. This phenomena has first been observed in the catastrophic loss of Viktor Orban in Hungary's 2026 Prime Minister elections,, which was in-part influenced by public endorsement from J.D. Vance and Donald Trump.

"Did you see how low his approval rating tanked after he got endorsed by that guy?"
"Yeah, that's another victim of the J.D. Vance Effect."

J.D. Vance Effect by yummersfunny April 12, 2026