mouth tweet 

Public information exchange conducted verbally (by the mouth) in less than 140 characters and complete with web-based acronyms and abbreviations like WTF and Np (No Problem). Once refereed to as "chatting" before the craze over the mouth tweeting platform went viral in early 2011.

Chit-chat 2.0

Jenny: I guess everyone is meeting up at Henry's later. Billy mouth tweeted "Bee Tee Double U - HH @ Henrys"

Ian: Oh cool, thx for the RMT (re-mouth tweet)

mouth tweet by Zaggle Nob March 17, 2011

thweet mooth 

often used with thilly gooth, it is usually directed at a sweet person who you care about deeply, and is just another way to say goodnight.

Thilly gooth and thweet mooth Emmy, dream lucid !!1

thweet mooth by tehobi March 13, 2010