sleaze

Short definition from Wiktionary

Noun

1. 1
   Low moral standards.
2. 2
   A person of low moral standards.
3. 3
   A man who is sexually aggressive or forward with women to the point of causing disgust.
4. 4
   sleazy material

Verb

1. 1
   To act or progress in a sleazy manner.
2. 2
   To slander.