Twitterstruck 

Noun: A feeling of joy, excitement, and/or anxiety when a celebrity deigns to personally reply to your comment on the celebrity's Twitter.

My girlfriend got a reply from Suze Orman and she was so excited she almost pissed herself. She's so Twitterstruck.

Twitterstruck by Gebus1 May 25, 2009

twitterstroking 

Slang and disparaging term for compulsive tweeting.

His habitual twitterstroking has essentially put him on the map as an A1 lunatic.

twitterstroking by Dr Bunnygirl August 21, 2020