Creating random,nonsensical text messages while riding your bicycle with your 'powered on' cell phone in your back pocket.
An example of butt texting:

"Door fate yesterday. Nope"
by Marco1950 April 15, 2014
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When you accidentally call or text someone when your phone is in your pocket.
Maddie- (on the phone) "Yeah mom, no sorry I didn't mean to call you, my phone was in my pocket. Yeah, bye."
Hunter- "Did you butt text her?"
Maddie- "Yeah."
by deejaylovesmaddie December 15, 2009
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when you unintentionally text someone a blank text message, often occurs while cell phone is in one's back pocket.
Me: Why do you keep sending me blank texts?

Hannah: Oops, my b! Need to stop sitting on my phone and sending those butt texts!
by AznPrincess June 19, 2010
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