Top definition
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.
by PeaceLovePartyOn January 30, 2011
Happy St. Patties Day!