Sexual harassment is bullying or coercion of a sexual nature, or the unwelcome or inappropriate promise of rewards in exchange for sexual favors.

Sexual harassment is:

Unwanted offensive touching
Unwanted offensive romantic attention
Offensive sexual speech
Offensive sexual conduct, gestures
Unwanted exposure to pornography
Unwanted offensive sexual texts, emails, facebook/twitter/myspace communications
Conditioning job benefits on sex
Being forced to have sex to keep or get your job