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."
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!
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"