Definition - What does Consensual Crime mean?
A consensual crime is a crime in which there is no victim and all parties consent to the situation or activity that is happening. Prostitution and illicit drug use are two examples of consensual crimes.
These crimes can still carry significant sentences even though there is no victim
Justipedia explains Consensual Crime
Consensual crimes are often not considered to be as serious as non-consensual crimes or as crimes in which there is a victim. As a result, they are often not punished as severely.
Additionally, laws regarding consensual crimes are often changed. For example, marijuana use has been decriminalized in a number of states. Prostitution is also legal in certain parts of America (although it still remains illegal in most of the country).