ˈphone sex BrE AmE noun [uncountable]
the activity of talking with someone on the telephone about sex in order to become sexually excited:
She claimed the relationship consisted mainly of him calling her up to have phone sex.
ˈphone sex BrE AmE noun [uncountable]
the activity of talking with someone on the telephone about sex in order to become sexually excited:
She claimed the relationship consisted mainly of him calling her up to have phone sex.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012