Noun. The sudden boost in confidence one receives when communicating by means of text. Often visible when communicating through instant messaging or texting, when someone says something you know they would never have the confidence to say in person.
Timid Asian Boy: I hate you! You're a slut! I never want to see you again!
Burly Russian Girl: Say that to my face, Dickslam!
Notice the sudden surge of confidence in the Timid Asian Boy. He would never speak so angrily towards the Burly Russian Girl in person. He is experiencing Texticular Fortitude.