Messunderstanding is a definition for a misunderstanding but with text messages. As for example a text message intended to be funny or ironic but instead, in the hands of the reciever reads as an insult or is taken too seriously. The misunderstanding is directly linked to the forum of the communication. In ordinary spoken conversation, a weird comment followed by a smile helps the other participant to understand the irony, whereas in text messages it can be misunderstood or - messunderstood.
People avoid messunderstandings by using or not using smileys and/or other stuff.
"James thought he actually could ride in the car with me even though I said no. Why did I put a smiley there? Clearly this was a messunderstanding. I was messunderstood!"
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).