While in class or an important meeting where texting is prohibited, one uses a book, wall, backpack, person, etc blocking the view of you texting from the teacher/instructor.
Ryan: "He Sally, I need to use your backpack as a text block."
Sally: "Ok, just don't make it obvious!"
by ManOfCars March 4, 2009
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This happens when the girl you like is with another guy. So, in order to make sure that guy does not get with the girl you like, you constantly text message the girl. If you get a reply, you have just successfully text blocked another guy.
In the following situation, Guy2 has successfully text blocked Guy:

Guy: Hey, lets go back to my place.
Guy2(from a different location): *Sends text message to Girl: Hey, lets hang out.*
Girl(to Guy): Ok...sure, but hold on I just got a text from Guy2. *She replies: I can't, I am with another guy.*
Guy2: *Text message 2: Is he chill?*
Girl: *Text message 2: Nope, i dont really like him too much, lets hang out later.*

However, in the following situation, Guy2 has failed to text block Guy.

Guy: Hey, lets go back to my place.
Guy2(from a different location): *Sends text message to Girl: Hey, lets hang out.*
Girl(to Guy): Ok, let go. *Gets a text message and pays no attention to it.*
by Your Move Chief May 12, 2009
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The process of getting blocked from some action with your girlfriend or boyfriend by a text sent to that person by a friend, family, etc.
Guy&Girl: *making out*

Girl: Opps I got a text, gimme a minute to reply.

Guy: *sighs*
Guy: *Whispers to himself* Dang, that guy/girl just Text Blocked me.
by Oooboii July 30, 2010
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A person who intentionally or unintentionally stops the progress of two frolicking partners getting their freak on using SMS as the form of blocking.
Guy 1: Who are you texting?
Guy 2: Some girls
Guy 1: Like who?
Guy 2: Nobody particular, just committing random acts of Text blocking

Guy 2: So did you get any last night?
Guy 1:No, Larissa was blowing up Rachels phone all night.
Guy 2: What a text blocking Bitch!
by Namreg May 12, 2009
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When one of two teenage bitches, Qookie and or Pink decided to restrict messages from their view to protect their sensitive feminine teenage egos.
Qookie: Hey Pink?

Pink: Yeah, what’s up Clown?
Qookie: You see Silky and Slobi speaking truth to power about our beloved butt buddy Trumph?
Pink: Qookie I hear you they won’t stop shedding light on the fact that we choose party over family.

Qookie: I say we text block all their messages like we are a couple of teenage girls?
Pink: Yeah I agree, I’m getting my body back too. Messi is the GOAT.

Qookie: Your an idiot Pink. Text blocking you too if you don’t think like me.

Pink: Oh you’re right I’m sorry.

Qookie: That’s a good Pink
by Silky_13 December 19, 2022
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The act of ignoring social conversation because you are engaged in a text message.
Oh don't worry he has text blocking syndrome, he'll respond in a minute.
by nFlamezz April 14, 2010
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A very long text message usually describing feelings towards someone or giving someone the lowdown on a situation
"Dude she sent me the biggest block text last night tellin' me how much she loved me"

"My coworker texted me this beyond big block text about what's going on around the office"
by Taj Ginyard August 12, 2011
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