To delay/wait texting back someone who has sent you a text in order not to appear overly excited about the fact that they texted you. This is especially true when it is someone you are interested in.
I'm so excited....John just texted me! I am going to textcrastinate as long as possible before I reply.
Rather than doing anything useful in the world, you spend hours on end reading comments, following RTs, and picking up new followers by pursuing other twitterer's followers on Twitter.
Yeah I'm facing a hugewriting deadline, but I'm caught up twitcrastinating instead.
How tech geeks procrastinate: randomly updating their twitter account over and over and over and over…usually with boring updates.
Combo of procrastinate and tweet.
Tech geek online: Today, I got bored and decided to tweetcrastinate. Ha. Ha. Ha.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.