A sham. An object or action that is inappropriate. Something that doesn't function properly or live up to guarantees. It's a lemon. It causes disappointment, befuddlement, or anger. It's something that just isn't what it should be.
(adj) Exhibiting the grainy and distorted appearance of a highly compressed JPEG image. Jpegginess begins to be very noticable when an image is compressed more than 20%.
Someone who spends most of their time trying to be cool but simply isn't. Usually used in the context of someone who has no personality aside from following people who have clout around. Jeggs are usually especially conformist.
Some may describe a jegg as a "simp for clout"
Olli is such a jegg bro, he changes the way he talks when he's around the basketball squad.
I'm sick of these jeggs. None of them have any personality and quite frankly, they suck at everything