Ziun Edit Meaning

1. It's the underside of a dick, where it rests on the balls. That dude is hot as underdick! See balls, dick, sweat, sack, scrotum..

1. means very tight as in gregs pants are very tight very noiisch prosser ur pants are very noiisch..

1. The study of the nervous system. Mostly stuff about the brain, hormones, nerves, and neurons. If you want to know more about the brain ..