JoJo effect 

An effect of a teen being way too mature for his age. This is based on the anime 'JoJo's Bizzare Adventure', an anime where every guy is a fucking alpha

Wait, he's 15? Must be the JoJo effect

JoJo effect by SmashMeCalamity October 16, 2019

Jojo Effect 

When you treat a person you’re talking to with the bare minimum respect and humility and they end up obsessing and falling in love with you.

John is going through the Jojo Effect because David treated him like a human being

Jojo Effect by that_weird_kid June 12, 2023

Jojo Siwa Effect 

The effect wherein a person comes out as not-straight and receives an overly positive reaction coupled with an increase in their fanbase. Based on the events that followed Jojo Siwa's coming out in 2021.

Everyone loves Joshua Bassett now after he came out. The Jojo Siwa Effect strikes again!!

Jojo Siwa Effect by ilovetraderjoes May 12, 2021