Does not apply to fake tits or flapjacks - only large, natural breasts are eligible to be jello jigglers.
"For sure bro, I could eat those all night long!"
Dan: "Oh my god that's fucking disgusting"
"Yo man, tonight I'm going to hit that bulging beast and make her jello jiggle"
"That dude is such a jello jiggler - he just loves to bang fat bitches and feel their fat jiggle against his body"