texticulate
phone sex by means of text message
funny how your girlfriend always wants to texticulate when you're out with the boys!
texticulate
tex·tic·u·late /texˈstikyəˌlāt/ - verb. To use lots of capitalization and special characters in a text message to emphasize one's words.
He texticulated wildly in his tweets, such that they were almost unreadable and nonsensical.