Someone who's texting while walking, and is completely oblivious to what's going on around them. These people have a tendency to walk into things like parking meters, light poles and fall down stairs.
The act of a single individual infiltrating a conversation that is among a group unknown to him or her.
Derived from the words "pedestrian" and "espionage".
A group of friends are walking to a party, when all of a sudden they notice some random person walking among them and eavsdropping on their conversation. They don't know this person, but he is attempting to go along undetected.
The individual that attempted to integrate himself into the group has committed Pedestrionage.
A person who is walking while engrossed in the use of an electronic device; such as reading an email, sending a text or browsing the internet and is distracted from the happenings going on around them.