It's the effect caused by talking to someone while being sad or angry. The effect consists of forcibly changing your emotional state from sad to happy for no apparent logical reason.
The ability of kpop boyband BTS member Park Jimin to trend effortlessly and snatch locals whenever he does something. Also sometimes used to refer to his ability to snatch straight dudes into questioning their sexuality.
Dude: bro why is 'guy with pink hair' is trending on twitter?
Me: BTS performed in a US TV show so that's just The Jimin Effect Dude: it cant just be him though 'guy with purple hair' also trended last time who's that?
Me: Jimin
Dude: what! 'guy in red suit'?
Me: still Jimin
Dude: 'guy with silver h-'?
Me: JIMIN
Dude: ...
Dude: no homo bro but damnnnn he's beautiful
Me: bro that's the Jimin Effect bro
Dude: bro...
The jimin effect happens when straight males watches a clip fx in a music video (blood sweat and tears most often) and when jimin appers the affect takes place the guy whos watching it will probably say somethimg like “im straight but jimin-“ or “okay i have a girlfriend but-“ so shortly said it’s when jimin makes straight males simp for him