Tweet-up 

Basically a meet-up, but for cunts.

ass1:
@ass2 hey, u going to the DC tweet-up?

ass2:
@ass1 yeah boyyee!

Tweet-up by Rohaq March 12, 2009

up tweet 

Verb. Sending a tweet or tweeting @someone more famous than yourself in hopes that they will re-tweet and make you famous for a few minutes in the twitter-verse. Opposite of 'down tweet' or "down tweeting".

I up tweeted @brianwilliams but he ignored it.

up tweet by Hbro November 9, 2012

Tweetup

An organized or impromptu gathering of people that use Twitter. (A meet up of people that 'tweet' using Twitter.)

Are you going to the "tweetup" tonight?

Tweetup by @stephenpc March 26, 2009

tweetup

A gathering of nerds attempting social contact, likely for the first time. Usually disintegrates into everyone running to the nearest computer to type to one another.

Tommy: Hey Jethro, quit playing WoW its time to meet some folks at the tweetup!

Jethro: Oh yeah I forgot about that, I can't wait to meet BigBootay421 at the tweetup, but first I need to slay this orc!

tweetup by SteveBonus August 5, 2009

tweetup

Taking social media one step further and meeting the people from twitter, as a group, that you socialize with on a daily basis.

him: Did you hear about that tweetup in Canada?

her: You mean #tweetONeh? I was there! It was the best tweetup ever!

tweetup by tweetup attendee June 27, 2013