Fiendeartment
Fiendeartment, quality state or condition of being a fiend of someone on purpose. Most likely being a fiend to a classmate or someone ruing your mental state. Fiendeartments, are quite normal encounters in your normal life.
“There was indeed fiendeartment between Alexis and Gerald since Alexis made Gerald feel mental pain.”
“The fiendeartment between Abby and Claire made teachers feel extremely frustrated since usually they were fine together.”
“The fiendeartment between Abby and Claire made teachers feel extremely frustrated since usually they were fine together.”