Top definition
In Tweetology, RThx is an acronym for "Thanks for Re-tweeting my tweet." ie, RT=ReTweet, + Thx=Thanks!
Flotsom: Awesome Zac Efron pix at

Jetsom: RT @Flotsom: Awesome Zac Efron pix at

Flotsom: @Jetsom, RThx! You rock, how cool is Zac I so love him LOLZ!
by subu28 April 01, 2009
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