Definitions by Chief.Keef.

Nadasil 

The male version of Vagasil. It helps to ease the pains in the nads. If your nads are upset, pick up a bottle of Nadasil

Boy 1: Dude my nads are really starting to hurt!
Boy 2: It's okay man. We will swing by the pharmacy and get you a bottle of Nadasil.

Nadasil by Chief.Keef. June 5, 2014