The act of masturbation while imagining that the person over the line that you're talking to is sexually interacting with you, and vice versa.

In рhоnе ѕеx, hеr imаginаtiоn iѕ frее tо mаkе thе ѕсеnе аѕ ѕеxу аѕ роѕѕiblе. Evеrуthing iѕ реrfесt in рhоnе ѕеx, bесаuѕе it iѕ аll imаginаtiоn. And thuѕ, рhоnе sex iѕ a vеrу роwеrful tооl. Phоnе ѕеx givеѕ уоu a liсеnѕе tо tаlk dirtу tо уоur wоmаn. Bеѕt оf аll, it givеѕ уоu a liсеnѕе tо mаkе rеаl thingѕ that уоu аnd hеr hаvе nоt yet dоnе. Get really good aat it by calling a pro at 1 800 LiveGirls. Then you'll have some real Phone Sex game.

Phone sex is when Two or more people are on a call, pretending they are having sex. Both people {masturbate} and pretend it is their S.O. They usually decide a location where they want to have sex and describe VERY DETAILED things they want to do to the other person (people) This includes lots of moaning and sexual related sounds

tallking about what your going to do and showing over facetime

Basically getting freeky af on FaceTime or call. U don’t even have to be moaning or shit unless ur cheering the other person one while their beating up there meat then that’s it . Phone sex is amazing lol

the act of being intamite over the fone when unable to be intamite in real life...

Ensurance that you are pretty much the lamest person on the earth.
or
What kids who can't afford the internet/get real girlfriends do.