Based on world-renown virtual youtuber "Yozora Mel", it is the illusion caused by the person in question wearing clothing that comes no higher than the upper breast area, and just before the shoulder. This illusion causes any on-lookers to get the impression the person in question could be naked.
I thought I saw Ashley butt-naked in her backyard from over the fence, but it was just the Mel effect and she was actually wearing a shoulderless crop top.
by Kiflaam June 1, 2022
The act of not paricipating in group discussion with the promise of a new topic in the next discussion.
by gazza_mic February 2, 2021
Person 1: Man, my friend James used to be so popular, but after he called that guy a faggot, everyone started shit-talking him.
Person 2: Yeah, classic case of the Mel Gibson effect.
Person 2: Yeah, classic case of the Mel Gibson effect.
by Mark Walters March 31, 2018