Asymmetrical boobs, where one is noticeably larger than the other. In some rare cases the nipples are also oddly coloured, the most common instance of this is brown on the larger one and pale on the smaller one. This strange and terrifying phenomenon perplexes and horrifies both scientists and formerly horny men to this day.
Kyle: God damn, that chick looks hot!
Tim:I wouldn't go for her man, she has sheberbens. Take my word for it.
very caring funnysmart and a good last name for anybody. Siebers is a name that famous people have. and they love ice cream and softball and crowder thats also a famous name.
Sweber is the definition of a homie. He is funny as af and has a large schlong. He is smart as a motherfucker and can still party like theres no fucking tomorrow. A legend around the JHS campus. huge penis.