Mastertweet 

verb; to rewtweet one's own tweet on Twitter.

Paris Hilton just retweeted herself. She is a mastertweeter as well as a horrible person.

Mastertweet by Moose Titties May 2, 2011

Masturtweeting

The act of using Twitter solely for self-pleasure or self-aggrandisement

Trump's unhinged and fact-disregarding pronouncements over Twitter are the best example ever of masturtweeting!

Masturtweeting by Zach's Dad January 7, 2017

Masterweeping

Using ones own tears for lube during the act of self-satisfaction.

After she left him poor dude was masterweeping for weeks.

Masterweeping by Biohavok May 1, 2009

Masterbweet 

When you write on Twitter but nobody but you reads your Tweets and you are essentially Tweeting to yourself.

Billy thinks everyone on Twitter reads his stuff but nobody does... he's just masterbweeting.

Masterbweet by Grunambulax May 20, 2011

mastertwatting 

Masterbating until orgasm while using Twitter.

The dirty slut was mastertwatting in the school bathroom to tiger wood's new post.

mastertwatting by Poopslayer1 December 8, 2009

Masturtweet

The act of tweeting yourself, i.e. sending yourself a tweet by sending, replying or retweeting to yourself on the twitter network.

Usually the act of "Masturtweeting" is followed by sudden realisation and an expletive, often followed by a public tweet apologising for masturtweeting in public.

@me yeah dude, I was totally wasted last night <enter>

"Oh Shiz, just sent that to myself again..."

@all sorry guys, just masturtweeted again, can't help myself

Masturtweet by ccwharris November 4, 2009

mastertext 

To masturbate via text message.

Symbols such as 8----> ------ are common when mastertexting.

mastertext by JoeBob19 July 19, 2011