When you're talking with your friend and its about a stupid topic, suddenly a giggle appears, both of you do not know who it is. Well, you can assume that's the retarded
NSA (
National Security Agency). They end up spying on everything you do, as of right now, they may be watching you read this definition right now. Type in Hi, they'll show up knocking down your front door and arrest you for
treason against the country