She was my college 'roommate'. = We were 'roommates' in college.
(..) - That is so weird. - Lights. - Did you just say that is so weird. - Yeah, I did, but I... You don't love me too? Oh, no, my roommate. I thought you said she was gone for the night. Obviously she's not, quick, you gotta... just get under the bed. - Under...? (..)2009 Star Trek