Noun. A sorostitute with which you are in a long term relationship, and thus sleeps at your apartment, house, or fratcastle more than she sleeps at her own sorority house.
Jess - Do you ever sleep in your cold air bed anymore?
Courtney - No, I'm a permashacker at Joey's fraternity. I can't remember the last time I actually slept at our house.
A state of permanent crankiness; generally onset after continuous demoralization and disenfranchisement of an individual or group, in a workplace or household.
"What is up with Joetoday?" ~ "He's permacranked, man."