A person who, when some people are playing a split screen video game in which the object is to kill everyone else, and somebody looks at another's screen to see where he is and then ambushes him/her.

A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.

A person who watches the screens of other players while playing a first-person shooter (FPS).