When your significant other looks at sexy materials on the Internet, and you watch them looking at it and get turned on by association.
My bisexual girlfriend was looking for a girlfriend online all night, it was great Over-the-shoulder Porn!
by tomthealienninja June 7, 2010
Get the Over-the-shoulder Pornmug. Shoulders which are not entirely covered by one's attire leading nearby religious zealots (especially Mormons) into sinful thoughts.
by Memefield July 12, 2014
Get the porn shouldersmug.