Lawyers and judges go online to understand slang

The English language is changing quickly, very quickly . When these are not new words that appear, it is sometimes the sense that changes. Justice, sometimes difficult to understand the slang often heard in the courts, is turning more and more to specialized websites in the language of the street, more reactive than traditional dictionaries. The question is whether they are reliable.

To translate
Slang ....... argot
Whether .. savoir si
Reliable .. fiable

Do you practice slang?
Jack  ..... to steal or taken from an unsuspecter person or store
Nut ....... to ejaculate