When a person feels like everyone decided to hate them all at once because no matter who they call or text, no one will respond. Generally this is followed by the person calling every single contact in their phonebook, in order to alleviate the condition. Some will also call others off a different person's phone, to see if they are actually being ignored.
Marry had a horrible case of Cellular Paranoia; she called everyone she knew from a payphone to see if they would answer.
(n.) a social phenomenon wherein which a person acts as though he is on his cell phone in order to shield himself from uncomfortable situations.
When Peggy saw the bum approaching, she flipped open her LG and began laughingincessantly as though someone had told a joke on the other end of the line. Still penniless, the bum's plan was thwarted by cellular faux.
When someone is texting or playing with their cell phone while walking very, very slowly and not paying attention to their surroundings. Cellular drifters tend to weave erratically on the sidewalk making it difficult to pass them.
person 1: "What took you so long?"
person 2: "Sorry, I'm late. The girl walking in front of me was cellular drifting and I couldn't get past her."