1. rottin leaves fruit or any other organic matter. Generaly used by master gardeners for producing the finest plant.
2.To reach a point in your lifetime when you believe in your own invincibility. Mostly used to describe the feelings of somone or somthuing priour to their own colaps . The belief that you are unstopable. The peak of the volcano in such
1 I need some humus so I can grow a really nice sunflower.
2 The colaps of the roman empire was a direct resault of the cockyness of the emporer. He must have reached his humus