Absolutely close enough. The movie When a Stranger Calls was originally made in 1979, five years after Black Christmas. It contains the line "the calls are coming from inside the house", but not the name Jess.
Apparently, the biggest problem was figuring out who should get cut. The competition was that tight. On Monday, someone on a local sports radio show said the Leafs could literally be $1 under the salary cap at the beginning of the season.
ANSWER: The Apprenticeship of Duddy Kravitz.
Duddy is naked in the bathtub talking to his girlfriend who is standing in the room fully clothed. In the middle of the conversation he looks at his penis and makes that comment.