textpest 

A person who texts you incessantly, thus aggravating the heck out of you! (verb = textpestering)

David was such a textpest and sent me over 50 texts in one day and wouldn't stop texting me!

textpest by shamrocklassie November 3, 2011

Textpectation 

The anticipation one feels when waiting for a response to a text message.

I just texted her for a date – but now the textpectation is killing me.

Textpectation by Harvey W July 21, 2006

textposts 

Something created on Tumblr and spread through Tumblr and Instagram, usually referencing some aspect of popular culture and geared to be relatable and make audiences laugh.

I spent all night on Instagram last night, looking at Tumblr textposts.

textposts by That Tumblr Girl December 22, 2014

text pest 

someone who sends endless text messages to his or her partner

as above

text pest by john keig December 30, 2003

Textpectations

When a prospective member of the opposite sex texts you in regards to dating and you have high hopes for the incoming text.

Dude! Taylor texted you about going to the bar tonight. Ahhh, I don't know man I really like her. What did she say? I have high textpectations for her?

Textpectations by Officer nipples 42 October 31, 2017

Textpert

Someone who is highly skilled in the art of sending texts messages.

John is so quick in responding to my text messages, he must be a textpert.

Textpert by Adrian Pt February 7, 2008

Text Pest 

To describe someone who constantly text messages other people, non stop for several hours.

-How many messages you get from Ciara?

-15

-Wow she has been a real Text pest today.

Text Pest by Big Fat Al June 2, 2009