Top definition
What happens when you sit on a smartphone with the Twitter app installed. Similar in concept to butt dialing, but more embarassing because it can be seen by the whole world.
Herp: dsfargeg asdf blueberry muffins
Derp: @Herp wtf?
Herp: @Derp Sorry, my smartphone keeps butt tweeting.
by Kimura January 03, 2012
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