Sentence:  My phone started ringing. I reached over and grabbed it, surprised to see Dewayne's name on the screen. Why would he be calling me at midnight on a Saturday? / "Hello?" I said, almost expecting this to be a <WSD>pocket dial</WSD>. 
Meaning of the word marked with <WSD> tags:  (accidental call) A situation in which one's cellphone makes a call from one's back pocket when its buttons are inadvertently pressed.