This word means nothing. Because there is nothing. Which is still something. So then it's a word.
The act of typing a message to someone or to a general in-real-time social space and refraining from sending it to the user(s). A considerable niche type of internet annoyance/trolling.
Hey ! I saw you were textstopping me for 2 minutes, what are you hiding ? Tell me !!!
A person with an excessive amount of care and attention for one while evicting hate towards that same person.
A - You idiot, you ruined it !
B - Hey, what is wrong with you, are you having disemantation ?