Sentence:  The screen <WSD>blipped</WSD> out as the connection was terminated. ... A few seconds passed before the screen again <WSD>blipped</WSD> to life, but instead of Melissa's radiant face there was a man in obvious security garb staring at him. 
Meaning of the word marked with <WSD> tags:  To change state abruptly, such as between off and on or dark and light, sometimes implying motion.