Answer to Question 1
A hookup refers to a range of physically intimate behaviorsfrom kissing to intercoursewith no expectation of emotional intimacy or a romantic relationship.
Answer to Question 2
Cyberbullying consists of deliberate, repeated, and hostile tweets, texts, and messages with the intent of harming others by means of intimidation, control, manipulation, false accusations, or humiliation. Cyberstalking is a form of cyberbullying that uses social media to harass victims and to try to damage their reputation.