CYBERSEX
cybersex
(noun) sexual arousal involving communication on the internet
Source: WordNet® 3.1
Etymology
Noun
cybersex (uncountable)
A virtual sexual encounter in which two or more persons connected remotely via a computer network send one another sexually explicit messages simulating a sexual experience.
Verb
cybersex (third-person singular simple present cybersexes, present participle cybersexing, simple past and past participle cybersexed)
To exchange explicit sexual experiences online via text or multimedia.
To engage in sexual activity, usually masturbation, while communicating online with another person.
Source: Wiktionary