The Kari Byron Effect refers to a woman who is attractive, but whose attractiveness is emphasized or exaggerated largely based on her being the only woman among a bunch of men (Jamie, Adam, Tory, Grant).
by MisterRay October 23, 2020
Get the The Kari Byron Effectmug. Kari Effect (noun)
Pronunciation: /ˈkɑ r.i ɪˌfɛkt/
1. The involuntary act of smiling so hard that one’s jaw pops, typically caused by overwhelming joy, affection, or attraction.
2. (informal) The emotional reaction brought on by someone whose presence or message triggers an uncontrollable grin.
Origin: Coined humorously to describe a smile so powerful it becomes physically audible; named after Kari, the person capable of inducing such reactions.
Pronunciation: /ˈkɑ r.i ɪˌfɛkt/
1. The involuntary act of smiling so hard that one’s jaw pops, typically caused by overwhelming joy, affection, or attraction.
2. (informal) The emotional reaction brought on by someone whose presence or message triggers an uncontrollable grin.
Origin: Coined humorously to describe a smile so powerful it becomes physically audible; named after Kari, the person capable of inducing such reactions.
Example: “He’s got a bad case of the Kari Effect again — must’ve seen her post.”
Example: “Every time she texted me, I got the Kari Effect — my smile literally made my jaw pop.”
Example: “Every time she texted me, I got the Kari Effect — my smile literally made my jaw pop.”
by Zariph Crosby November 5, 2025
Get the Kari Effectmug.