When a person suddenly appears out of nowhere like a ninja and instantly makes you feel uncomfortable, often causing an awkward silence, then disappears just as quickly
First Guy: "Then, Tommy's friend just popped up out of nowhere and started listening to our conversation, no idea how long he was standing there."
Second Guy: "Then he disappeared next time you looked over?"
First Guy:"Yeah, how did you know?"
Second Guy: "He's an Awkward Ninja"
Second Guy: "Then he disappeared next time you looked over?"
First Guy:"Yeah, how did you know?"
Second Guy: "He's an Awkward Ninja"
by SuperBambi May 23, 2010