hall-cest

going out with people from one's own living group

hallcest often results in bitter exes living next-door to each other, dating each other's exes, in a vicious cycle.

by pysanka June 10, 2005

hallcest

Having intimate relations with a person residing in the same hall of your dorm/apt/etc.

Person1: "Hey, Molly is really hot."
Person2: "No way man, she's only three doors down. That's like hallcest."

by Anonymous March 27, 2003